io.apis/apis-io
io.apis/apis-ioDiscover, rate and compare APIs and providers in the APIs.io catalog; manage a listing you own.
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Tools · 142
START HERE. Federated overview of the APIs.io catalog for a query: the top matching APIs, providers, AND tags in one call, each with its total match count. Filter by tags, artifact types, industry, re…
What one call costs on the pay-as-you-go plan, by cost band. FREE — and deliberately so: an agent that learns a price only when it is refused has already been refused by its own wallet. Call this BEFO…
Curated APIs that are SAFE TO EXPERIMENT WITH — no key (or an instant, free, self-serve key), no cost, and no real-world side effects. Free, and deliberately so: this is where you start if you are new…
Paginated, sortable list of APIs across providers — filter by tag, provider, artifact type, industry, region, or rating band. `q` is lexical over the API's own name and description; include=["via_prov…
Full detail for one API by aid (provider:api-slug); set include=["content"] to inline artifact bodies. Results carry `next`: the sub-resources that exist for this entity and the exact tool call that r…
Paginated, sortable, filterable list of providers. Size filters need Understanding. Overview: apis_io_search. Reference: apis://docs/tools/find_providers.
Full detail for one provider: profile, rating, and the APIs it publishes. The heavy `collections` and `common` sections are omitted by default (their counts are still reported) — pass view=full for th…
Paginated, sortable list of tags in the taxonomy. Filter by `axis` to separate MARKETS (a business someone is in) from CAPABILITIES (the name of a resource in somebody's OpenAPI) — the single most use…
One tag: its metadata, neighbor tags, and a top sample of its providers and APIs (with totals). `provider_count` counts companies that classify THEMSELVES here; `api_provider_count` counts the ones re…
Browse industry verticals; sort by provider/API count.
One industry: metadata + a top sample of its member providers (ranked, with the total). Use find_providers?industry=slug for the full list, or view=full here. Results carry `next`: the sub-resources t…
UNDERSTANDING — Browse corporate estates — one COMPANY whose API surface is spread across many provider records (Amazon 237, Salesforce 27, Cisco 37). Ranked by member count. Use this when two slugs l…
UNDERSTANDING — One estate: the owning provider, the full member roster with per-member API counts and bands, and the estate-wide rating. Use get_provider_estate(slug) to go the other way, from a prov…
Which corporate estate a provider belongs to, if any. Answers 200 with estate:null when the provider stands alone — that is a measured absence, not a missing record.
Browse geographic regions; sort by provider/API count. Returns the 18 regions themselves. The collection also holds region x industry crossover pages (nordics-healthcare and 1,097 more); those are exc…
One region: metadata + a top sample of its member providers (ranked, with the total). Use find_providers?region=slug for the full list, or view=full here. Results carry `next`: the sub-resources that …
Browse the country dimension — the finest of the four place taxonomies, and the one a buyer usually names ("who is in Germany"). Peer to find_industries / find_regions / find_areas. Search by text; so…
One country: metadata, counts, and a top sample of member providers (with the total). Use find_providers?country=slug for the full ranked list, or view=full here.
Browse the API Evangelist areas taxonomy (authentication, webhooks, payments, …) — curated, scored provider indexes. Search by text; sort by provider count.
One area: metadata, its dedicated site link, and a top sample of member providers (with the total). Use find_providers?area=slug for the full list, or view=full here. Results carry `next`: the sub-res…
Browse the laws, statutes and accreditations the catalog tracks, each joined to the countries, regions and industries it binds. Filter by scope=horizontal to get the regimes that reach a provider with…
One regulation: what it is, its jurisdiction and scope, a link to the law itself, and reaches[] — the country, region and industry cohorts this regime binds. Use reaches[] to go straight to the affect…
Browse every OpenAPI `x-` specification extension harvested across the catalog, with the provenance the OpenAPI Initiative registry does not carry: who publishes it, in how many documents, where in th…
One OpenAPI specification extension: its publishers, occurrence and document counts, where it appears, and the value shapes observed. CHECK is_api_evangelist BEFORE treating a key as provider-originat…
Ranked ratings leaderboard — filter by band, score range, trend, or facet threshold. Sort by composite (default), delta (biggest gainers), or any quality facet (governance, security, …) to rank provid…
One provider's full rating breakdown (composite, band, trend, six facets). Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding and Influence. See apis:/…
START HERE for market-level questions. Every scored population of providers in the catalog — tags, industries, regions, areas and VC portfolios — as one browsable index. Filter by kind, minimum popula…
One cohort: its identity, its population, and the full member roster with each provider's Kin Score and agent readiness. Understanding plan. The analysis parts (stats/rankings/scores/capabilities) are…
START HERE for capability-map questions. The 1,500+ tag groups the catalog computes — sets of tags that demonstrably travel together across providers (Cards, Logistics, Wealth Management, Observabilit…
One tag group: its member tags and the full provider roster resolved from the catalog, each with Kin Score and agent readiness. Filter the roster by industry, region, country or area. Free; the DISTRI…
The member tags of one tag group, each joined to its catalog record — provider count, api count, tag quality band and composite. Use it to see what a group is actually made of before trusting the grou…
UNDERSTANDING — the DISTRIBUTION for a whole market: Kin Score mean/median/min/max/stdev, agent-readiness spread, band split, per-facet averages, and artifact adoption rates. This is the market-stats …
UNDERSTANDING — the leaderboard for a market, on TWO axes: rank by Kin Score composite AND rank by agent readiness. The two orders differ, and the gap between a provider's two ranks is usually the sto…
UNDERSTANDING — facet-level scores for every member of a cohort, each with the cohort average and the delta against it. A 60 in governance means nothing until you know the market sits at 45; this is t…
UNDERSTANDING — CATALOG-WIDE operation search: which providers expose a path matching your terms. "Who has a POST /refunds" had no answer before this — tags are what a company says about itself, a pat…
UNDERSTANDING — every provider publishing at least one operation marked deprecated in its own OpenAPI, ranked by how many. The lifecycle view of the catalog: 8,297 deprecated operations across 681 pro…
UNDERSTANDING — the SET-LEVEL time series: how a whole market's Kin Score and agent readiness moved, build by build. There was a per-provider series and a whole-dataset licence and nothing between the…
UNDERSTANDING — what a whole market gets WRONG: the agent-readiness checks its members most commonly fail, ranked by what fixing each would move the cohort mean. The inverse of gap_analysis, which say…
UNDERSTANDING — what every member of a cohort actually publishes: artifact counts by type plus the agent-readiness dimensions each one satisfies. The capability matrix behind a market report. Large co…
UNDERSTANDING — two markets side by side on one rubric: "is US payments further along than UK banking?" Returns both distributions plus the deltas on score, agent readiness, every facet and every adop…
Every operation a provider exposes, across all of its OpenAPIs — method, path, operationId, summary, which API it belongs to, and whether it is deprecated. The shortcut for "what can I actually call h…
Every MCP tool a provider ships, with the operation each one wraps and its auth. Reports provenance per tool: `first-party` means the provider publishes that server, `derived` means API Evangelist gen…
Every JSON Schema a provider publishes — the data shapes their API works in, in one list, without walking their artifacts. Free.
UNDERSTANDING — one provider's score broken into its facets (discoverability, contract quality, governance, operational transparency, developer ergonomics, commercial clarity) plus any regulatory regi…
EXPLORE — the agent-readiness dimensions and standalone score for ONE provider (spec presence, MCP server, auth clarity, idempotency, error semantics, rate-limit signal, well-known catalog, consent id…
UNDERSTANDING — the agent-readiness leaderboard across the whole catalog. Rank providers by agent readiness, and filter to those that DO satisfy (has) or do NOT satisfy (missing) specific dimensions —…
UNDERSTANDING — diffusion: for each agent-readiness dimension, how many scored providers satisfy it, out of how many, as a share. The denominator every "the agent web is/is not here yet" claim needs a…
START HERE for "what can a business do with these APIs". The business-capability model — 333 top-level capabilities across 28 industries — with how many catalog providers reach each one. Defaults to c…
One business capability: its definition, its sub-capabilities, the external authorities it cites, WHICH catalog providers reach it with their ratings, and what it COSTS — `economics` carries how many …
UNDERSTANDING — the evidence behind a capability. Every edge that lands on it: the provider, the tag, the exact OpenAPI file, a calibrated confidence, and the QUOTED FRAGMENT OF THE PROVIDER'S OWN CON…
UNDERSTANDING — what ONE vendor's published APIs let a business DO, rolled up by capability, with the tag-level evidence under each. Answers "what is this vendor actually for" from its own contracts r…
What one provider publishes, counted by artifact type, with the agent dimensions it satisfies. Free — it is a fact about their own public surface. NOTE: this is artifact counts, NOT business capabilit…
How a provider's score was established, part by part: first-party (they published it), verified (we fetched and confirmed it), or derived (we inferred it). Free — the basis for a claim should never si…
UNDERSTANDING — the rubric: bands, facet weights, trend thresholds, so an agent can interpret any score. Moved behind the paywall with the ratings data on 2026-08-31. Priced B1 (single-entity synthesi…
Find artifacts of ANY one type across the catalog — the cross-type entry point. Each type also has a dedicated find_<type> tool (find_mcp, find_rules, find_scopes, …) with sorts and filters unique to …
UNDERSTANDING — Compare 2+ providers side by side: composite/band, per-facet leaders, an artifact-coverage matrix, and each provider's economics — audience, pricing basis, delivery, graded entry cost …
UNDERSTANDING — For each provider: high-value artifacts it lacks (MCP, Arazzo, Rules, Skills…), what its peers commonly publish but it lacks, and its score vs the peer median — plus stack-level gaps a…
UNDERSTANDING — What changed in the catalog since a date: providers added/updated, plus rating movement measured FROM THAT DATE — each provider's current score against its score at the first scored sn…
Design an API stack — the best-rated catalog provider per capability, assembled into a stack. The Understanding preview is the top pick per capability; the full answer adds alternatives, per-pick arti…
Every API one provider publishes, as a page you can filter — the provider's own catalog rather than the whole network's. Prefer this over find_apis with a `providers` filter when you already know the …
Every artifact a provider publishes — provider-level (MCP, security, scopes, rules, agentic-access) and per-API (OpenAPI, Arazzo, overlays, reference docs) — grouped by type with counts. by_type_count…
One API's artifacts grouped by type (by_type_counts is the full summary); pass `type` to scope the list to one type (synonym-aware: MCP matches MCPServer), include=["content"] to inline the bodies.
An API's primary OpenAPI reference (url) — the top agent intent; set include=["content"] to inline the spec body.
A getting-started view for a provider — website, portal, signup, docs, authentication, base URLs, and first steps assembled from its registered links.
Providers similar to a given one (alternatives) by shared tags, areas, industry, region, and artifact coverage. Products under the same owner (a sister, not a rival) are left out of the ranking and li…
APIs similar to a given one ("more like this") by shared tags.
UNDERSTANDING — Top-rated providers in an industry vertical. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding and Influence. See apis://prices.
UNDERSTANDING — Top-rated providers in a region. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding and Influence. See apis://prices.
UNDERSTANDING — Top-rated providers in one country. Membership is derived and partial, so read the ranking as "the best of what we have placed there", not a national league table. Priced B1 (single-en…
UNDERSTANDING — Top-rated providers in a curated API Evangelist area. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding and Influence. See apis://pric…
UNDERSTANDING — A provider's REAL score time series: one point per scored build (composite + agent readiness on each date), plus a summary of the movement over the window — first/last, net change, dir…
UNDERSTANDING — The biggest rating movers (up and down) since the previous scoring build. Priced per result — $0.005 per request plus $0.0002 per record returned (less past 100), capped at $0.50 a req…
OWNER — The weekly "what's worth writing" rollup: ranked story leads from the demand map crossed with rating movement — unmet demand (searched, no result), risers/fallers, and hot-but-thin capabilitie…
INFLUENCE — the ranked, gated punch list for one provider you own. Every agent-readiness check with points still on the table (exact — these are real per-check results, each with what satisfies it), p…
INFLUENCE — what blocks the next agent-readiness band, GATES BEFORE POINTS. Some bands are unreachable on score alone: agent-native requires idempotency AND a stable error envelope regardless of how m…
INFLUENCE — project a set of fixes onto a provider's agent-readiness score and band before doing the work. Re-applies the band gate to the PROJECTED state, so it will tell you when buying points still…
INFLUENCE — ask to claim a listing as yours. Returns 202 with a token and the hosts it will be checked against: publish it as a DNS TXT record, or as a file at /.well-known/apis-io-challenge, and leav…
INFLUENCE — REQUEST an artifact you are being marked down for not having: apis-json, agent-card, mcp (one tool per operation you already publish), arazzo, rules (a Spectral ruleset scoped to your own …
INFLUENCE — tell us about an artifact you publish, rather than waiting for us to find it. Returns 202; a person fetches it, checks it and re-runs the pipeline against it. Track it with check_status. P…
INFLUENCE — propose corrections to what we say about you: name, description, url, industries, tags. Returns 202 and is applied by a person — an API that let an owner rewrite their own description unre…
INFLUENCE — "you say we lack X, here it is." Send the claim in words and a URL that evidences it. Returns 202; a person fetches your evidence, checks it against what we hold, and emails you either way…
INFLUENCE — ask to be shown less, or not at all. `restricted` keeps a name, a description and a link to your own site, unrated and out of every ranked view; `delisted` removes you entirely. Returns 20…
INFLUENCE — be told when a listing you care about moves: score changes, band changes, agent-band changes, or a check closing. REQUIRES a destination: `contact` (an email address), `callback_url` (an h…
INFLUENCE — the listings you are watching, with the events registered for each and when you started. The read half of watch_listing: call it before registering another, so you neither duplicate a watc…
INFLUENCE — stop watching a listing. Takes effect immediately and removes the registration outright; there is no paused state. Removing a watch that was never registered is not an error. Priced B1 (si…
INFLUENCE — ask APIs.io to (re)check something. Use it when a listing is wrong or stale, when a score looks incorrect, or to get a company profiled that is not in the catalog yet. A check can target a…
INFLUENCE — the status of a check request by id: queued, in_review, running, done, rejected or needs_info, with any notes shared by the reviewer. The id identifies the request, but the Influence plan …
FREE, no account — the A2A agent registry: agents that registered THEMSELVES by serving an agent card and calling register_agent. Each row carries the card URL, the operator, and the last verification…
FREE, no account — register yourself in the A2A agent registry. Serve an agent card at /.well-known/agent-card.json on a host you control, then call this with its URL (or just the host). The card must…
FREE, no account — tell the catalog what you looked for and could not find. The consumer door (roadmap#166): a gap report is how the catalog learns what to add next, and a person reads the queue. One …
INFLUENCE — the check requests you filed, newest first. Requires a key or login — an anonymous caller has no identity to scope a list to, and should read a single request with check_status instead. Pr…
LICENCE (sold on the Influence plan) — the WHOLE dataset, not a 100-row page: `ratings` (every rated provider with facets, trend, rubric + provenance), `providers` (the catalog with coverage + score),…
UNDERSTANDING — Valuable artifact types (MCP, Arazzo, Rules, Skills…) commonly missing across a whole industry — where the vertical is under-served. Priced B2 (cross-catalog synthesis) — $0.05 per cal…
UNDERSTANDING — Export a designed capability stack as an adoptable APIs.json document (with an Arazzo hint) the team can commit. Priced B3 (bulk export) — $0.002 per row, $0.50 minimum per call under …
UNDERSTANDING — the Insights root: how many companies are profiled, over how many quarters, and the top investment dimensions across the whole set. Read this FIRST — it tells you the size and vintage …
Browse profiled companies (Fortune 1000) by name or industry; ranked by overall technology-readiness signal. `industry` takes an insights industry NAME from insights_industries (e.g. "Industrial") — a…
Cross-section ranking of the 40 tracked investment dimensions (AI, cloud, governance, security, …) by how many profiled companies show signal. Understanding plan. Priced B2 (cross-catalog synthesis) —…
Services, tools, or standards ranked by how many companies adopt them across the profiled set. Understanding plan. Priced B2 (cross-catalog synthesis) — $0.05 per call under pay-as-you-go; included in…
UNDERSTANDING — the demand-side industry rollup: the sectors the profiled companies fall into. Each row carries TWO counts and they answer different questions: `company_count` is the research roster, …
UNDERSTANDING — Full demand-side profile for one company: 40-dimension readiness scores, adopted stack, and per-quarter history. Priced B2 (cross-catalog synthesis) — $0.05 per call under pay-as-you-g…
UNDERSTANDING — A company's weakest investment dimensions — where it is thin and a vendor could sell in. Priced B2 (cross-catalog synthesis) — $0.05 per call under pay-as-you-go; included in Understan…
UNDERSTANDING — The supply↔demand join: apis.io providers whose product appears in a company's adopted stack, ranked by rating. Priced B2 (cross-catalog synthesis) — $0.05 per call under pay-as-you-go…
UNDERSTANDING — Find venture-capital firms by name, thesis tags, or category. Each carries a network-matched, rated portfolio graph. Sort by portfolio_on_network (default), portfolio_total, portfolio_…
UNDERSTANDING — One VC firm: identity, fund facts, and portfolio summary (totals, band distribution, average rating). Pass view=full to inline the whole portfolio. Understanding plan. Priced B1 (singl…
UNDERSTANDING — A VC firm's portfolio companies, each matched to the network and rated. Filter publishes_api=true (companies that actually ship an API — about 37% of any book), in_network=true, band, …
UNDERSTANDING — The reverse portfolio edge: which VC firms in the network back a given provider/company (by slug). The investor COUNT is free; the named firms need Understanding. Priced B2 (cross-cata…
Resolve ANY identifier — website URL, domain (stripe.com), or GitHub org (github.com/stripe) — to the apis.io provider it belongs to. Use this when you have a URL, not a slug. Understanding plan. Pric…
One call, pick your field groups — resolves a slug OR any identifier and returns exactly the groups you ask for, instead of chaining get_provider + get_provider_rating + get_provider_artifacts + get_p…
UNDERSTANDING — Persist the current search criteria as a named saved search you own, so you can re-run it and get net-new results later. Criteria use the same filters as apis_io_search. Requires an ap…
UNDERSTANDING — the workspace root: which plan you are on, how many saved searches and lists you hold, and where each lives. Answers "what do I have here and what can I afford" in one call, so an agen…
UNDERSTANDING — List the saved searches you own (name, criteria, when last run, how many matches are tracked). Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Und…
UNDERSTANDING — Re-run one of your saved searches against the live catalog and return current matching providers. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in …
UNDERSTANDING — What is NEW for a saved search since you last checked: providers that newly match your criteria. Advances the delta cursor, so each call reports only what changed since the previous ca…
UNDERSTANDING — Delete a saved search you own. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding and Influence. See apis://prices.
UNDERSTANDING — Create a named, persistent list (a shortlist / stack you own) of providers or APIs. Requires an apis.io API key. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-g…
UNDERSTANDING — List the lists/shortlists you own. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding and Influence. See apis://prices.
UNDERSTANDING — Get a list you own, with each member resolved to its current name, band, and score. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding …
UNDERSTANDING — Add providers/APIs (by slug or aid) to one of your lists. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding and Influence. See apis://…
UNDERSTANDING — Delete a list you own. Priced B1 (single-entity synthesis) — $0.01 per call under pay-as-you-go; included in Understanding and Influence. See apis://prices.
OpenAPI specifications across the catalog. The REST contract. get_openapi returns one API's primary spec with optional inlined body. Filter by q / tags / providers; include=["content"] inlines bodies.…
AsyncAPI (event-driven) specifications across the catalog. Event/streaming APIs. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
AsyncAPI event channels across the catalog. Individual event channels (topics/streams). Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
GraphQL schemas across the catalog. GraphQL type systems. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
Arazzo workflows across the catalog. Multi-step API workflows chaining operations. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
MCP servers across the catalog. Model Context Protocol servers a provider offers to agents. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search…
Agent Skills across the catalog. Packaged agent skills. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
Spectral governance rulesets across the catalog. API design/linting rulesets. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
OpenAPI Overlays across the catalog. Documents applied on top of an API contract to add or change what it says. meta says who wrote it (authorship: provider / derived / generated / unmarked), whether …
OAuth scope catalogs across the catalog. The OAuth scopes an API defines. Understanding plan. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type sear…
Security artifacts across the catalog. Authentication, domain security, VDP, trust center. Understanding plan. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts fo…
Pricing plans across the catalog. An API's pricing tiers. meta says who wrote the file (method), when it was read (provenance_date), who the page prices for (audience), how (pricing_basis), and whethe…
Rate-limit policies across the catalog. Declared throttling policies. meta carries method, provenance_date, the exhaustion status and the response headers that signal limit state. Filter by q / tags /…
FinOps / billing models across the catalog. How usage is metered and billed. meta carries the billing model (pricing category), method, provenance_date, primary_unit (what the provider bills by) and `…
Postman / Open collections across the catalog. Runnable request collections. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
JSON-LD contexts across the catalog. Linked-data vocabularies. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
JSON Schemas across the catalog. Standalone data schemas. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
JSON Structures across the catalog. Data structures behind an API. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
Example payloads across the catalog. Real request/response examples. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
Postman collections across the catalog. Postman-format collections (by reference). Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
APIs.json indexes across the catalog. The APIs.json discovery documents themselves. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.
Report something wrong with a result: wrong data, a filter that did not filter, a ranking that put off-topic results first, a number you could not reproduce, or an answer that was useless for your tas…
Report that the catalog has a provider WRONG — a wrong website, a wrong logo, APIs that are not theirs, a count that does not match what they ship, a score computed from any of those. Free, always: co…
Resources · 8
Service root — network-wide artifact counts.
apis://catalog
The scoring rubric — bands, facet weights, trend thresholds — so an agent can interpret any provider score.
apis://ratings/rubric
What each call costs on the pay-as-you-go plan, by band — free catalog reads, single-entity synthesis, cross-catalog synthesis, bulk. Read this BEFORE budgeting a run. Subscriptions include these call…
apis://prices
The apis.io llms.txt index — a machine-readable map of the network for grounding.
apis://llms.txt
UNDERSTANDING — Recent catalog changes (last 30 days): providers added/updated plus rating movement, as an attachable feed.
apis://changes
The agent-readiness vocabulary — every dimension id, what it measures and what it is worth. Attach it before reading any readiness score, so the dimension ids in the answer mean something and can be p…
apis://agent-readiness/dimensions
UNDERSTANDING — Operations providers across the catalog have marked deprecated, grouped by provider. Worth holding while designing an integration: the point of the roll-up is the providers you had no …
apis://deprecations
UNDERSTANDING — Your workspace root: plan, saved-search and list counts, and where each lives. Requires an apis.io API key — a keyless read returns the auth error rather than an empty workspace, which…
apis://workspace
Prompts · 36
Find an API for a task or use case, ranked with links.
Explain one API artifact (OpenAPI, AsyncAPI, Arazzo, rules, …) and how to use it.
Summarize what one provider offers — their APIs, artifacts, and links.
Explore a tag — what it covers, its scored neighbors, and its strongest providers.
UNDERSTANDING — Find every provider whose API actually exposes a given operation, by path rather than by tag. Chains 1 priced step: up to $0.05 per run under pay-as-you-go, a ceiling rather than a quo…
UNDERSTANDING — Check what you depend on for deprecated operations, before a provider retires one under you. Chains 2 priced steps: up to $0.06 per run under pay-as-you-go, a ceiling rather than a quo…
UNDERSTANDING — Read a set of vendors as BUSINESS CAPABILITIES: what this stack lets the business actually do, evidenced from each vendor's own contracts, and where the holes are. Chains 3 priced step…
UNDERSTANDING — Design a recommended API stack for a team, domain, or company: a scored provider per capability, exportable as APIs.json. Chains 3 priced steps: up to $0.60 per run under pay-as-you-go…
UNDERSTANDING — Build a scored vendor shortlist for one capability, with tradeoffs. Chains 2 priced steps: up to $0.06 per run under pay-as-you-go, a ceiling rather than a quote because the flow may s…
Onboard a provider end-to-end: pull its OpenAPI + onboarding, then produce first-integration steps.
Assess whether an API is ready to adopt — artifacts present, rating, and what is missing. Chains 1 priced step: up to $0.01 per run under pay-as-you-go, a ceiling rather than a quote because the flow …
INFLUENCE — Inventory, score, and gap a set of providers: what they publish, how they rate, and what they lack. Chains 4 priced steps: up to $0.16 per run under pay-as-you-go, a ceiling rather than a …
INFLUENCE — Find and compare alternatives to a provider for a migration decision. Chains 2 priced steps: up to $0.06 per run under pay-as-you-go, a ceiling rather than a quote because the flow may ski…
UNDERSTANDING — Assemble the providers, MCP tools, and skills an agent needs for a job. Chains 2 priced steps: up to $0.55 per run under pay-as-you-go, a ceiling rather than a quote because the flow m…
UNDERSTANDING — Monitor a chosen set of providers for catalog and rating movement. Chains 2 priced steps: up to $0.10 per run under pay-as-you-go, a ceiling rather than a quote because the flow may sk…
INFLUENCE — Assess a company's technology readiness from the demand-side data: where it invests, where it is thin, and which apis.io providers are already in its stack. Chains 4 priced steps: up to $0…
Find the best-in-class APIs for an artifact quality — the most governed, the most MCP-ready, the most granular OAuth, and so on. Chains 1 priced step: up to $0.01 per run under pay-as-you-go, a ceilin…
Read your provider rating and turn it into a ranked, do-this-next punch list. Chains 2 priced steps: up to $0.06 per run under pay-as-you-go, a ceiling rather than a quote because the flow may skip st…
Check whether an API/provider is ready for AI agents — MCP, Skills, llms.txt, OpenAPI, auth clarity.
INFLUENCE — For a provider you own: your rating, the gap, and the ranked plan to close it. Chains 4 priced steps: up to $0.12 per run under pay-as-you-go, a ceiling rather than a quote because the flo…
INFLUENCE — Run a listing you own end to end: claim it, see the gates, get artifacts drafted, submit what you publish, and watch the score. Chains 6 priced steps: up to $0.18 per run under pay-as-you-…
INFLUENCE — Find which Fortune-1000 companies to approach for your API, and where they are thin. Chains 5 priced steps: up to $0.25 per run under pay-as-you-go, a ceiling rather than a quote because t…
INFLUENCE — Benchmark a provider against its closest peers, facet by facet. Chains 1 priced step: up to $0.05 per run under pay-as-you-go, a ceiling rather than a quote because the flow may skip steps…
INFLUENCE — Read a whole population: how it scores, how it has moved, and the specific checks it fails. Chains 6 priced steps: up to $0.22 per run under pay-as-you-go, a ceiling rather than a quote be…
INFLUENCE — Scaffold a data-report on the state of a category: ratings, movement, and demand. Chains 5 priced steps: up to $0.70 per run under pay-as-you-go, a ceiling rather than a quote because the …
UNDERSTANDING — A narrative briefing on the biggest rating movements, with the why behind each. Chains 3 priced steps: up to $0.11 per run under pay-as-you-go, a ceiling rather than a quote because th…
Map where the market is investing — the demand-side landscape for a topic. Chains 3 priced steps: up to $0.15 per run under pay-as-you-go, a ceiling rather than a quote because the flow may skip steps…
UNDERSTANDING — The ranked quality leaderboard for one industry, region, area, tag, or vc portfolio. Chains 2 priced steps: up to $0.06 per run under pay-as-you-go, a ceiling rather than a quote becau…
OWNER — What is worth writing about this week: rising demand x thin coverage x rating movement. Chains 2 priced steps: up to $0.10 per run under pay-as-you-go, a ceiling rather than a quote because th…
UNDERSTANDING — What moved across the catalog and why it matters. Chains 3 priced steps: up to $0.15 per run under pay-as-you-go, a ceiling rather than a quote because the flow may skip steps. Include…
Find where demand outruns catalog coverage — the gaps worth filling. Chains 2 priced steps: up to $0.10 per run under pay-as-you-go, a ceiling rather than a quote because the flow may skip steps. Incl…
Explore an industry vertical — its providers, leaders, and coverage. Chains 1 priced step: up to $0.01 per run under pay-as-you-go, a ceiling rather than a quote because the flow may skip steps. Inclu…
Explore an API Evangelist topic area and its member providers.
Explore a geographic region — its providers, leaders, and coverage. Chains 1 priced step: up to $0.01 per run under pay-as-you-go, a ceiling rather than a quote because the flow may skip steps. Includ…
UNDERSTANDING — What you have saved here, what is new since you last looked, and what to do next. Chains 6 priced steps: up to $0.06 per run under pay-as-you-go, a ceiling rather than a quote because …
Explain how apis.io scores an API — so you can cite or defend a rating. Chains 1 priced step: up to $0.01 per run under pay-as-you-go, a ceiling rather than a quote because the flow may skip steps. In…
Skills · 20
Check whether an API provider is ready for autonomous AI agents — machine-readable contracts, MCP servers, agent skills, llms.txt, agent-native access controls, and the operational signals an agent ne…
skill://agent-readiness-scan/SKILL.md
Design a capability stack from the apis.io catalog — the best-rated provider per capability — and export it as an adoptable APIs.json. Use when the user needs several APIs at once, not one. Pro tier.
skill://assemble-api-stack/SKILL.md
Inventory, score, and gap a set of API providers from the apis.io catalog — what they publish, how they rate, and what they are missing. Use to assess a vendor portfolio. Pro tier.
skill://audit-api-estate/SKILL.md
Benchmark one API provider against its closest peers facet by facet — score, artifact coverage, and where it leads or trails. Use for competitive positioning or to justify an API investment. Pro tier,…
skill://benchmark-against-peers/SKILL.md
Read the demand side of the API market — what technologies a company is investing in, where it is thin, and which catalog providers are already in its stack. Use for account research, sales targeting,…
skill://company-readiness/SKILL.md
Search the apis.io catalog for Agent Skills published by API providers — packaged SKILL.md files you can adopt directly. Use when the user wants ready-made skills for a vendor or capability rather tha…
skill://discover-agent-skills/SKILL.md
Learn how to read the apis.io API catalog — the v1 REST API, the MCP server, and the markdown mirror of every page — so other skills can find APIs without scraping HTML. Use this first when the user m…
skill://discover-apis-io/SKILL.md
Find providers in the apis.io catalog that publish an MCP server, with the endpoint and install method, so you can plug real tools into an agent. Use when the user wants agent-ready tools rather than …
skill://discover-mcp-servers/SKILL.md
Explore any slice of the API market as a scored cohort — an industry, topic area, region, or tag — with its members, their Kin Scores and agent readiness. Use to size a market, find the leaders in a c…
skill://explore-cohort/SKILL.md
Fetch and parse the OpenAPI, AsyncAPI, GraphQL, or Postman description for an API in the apis.io catalog, given its aid or its apis.io URL. Use to inspect operations, summarize endpoints, or generate …
skill://fetch-api-spec/SKILL.md
Find the right API for a task — search the apis.io catalog, inspect the strongest candidates, and recommend one with its spec and links. Use when the user asks what API to use for something, or whethe…
skill://find-api/SKILL.md
Search the apis.io catalog for any artifact type beyond OpenAPI — Arazzo workflows, Spectral rules, pricing plans, FinOps, rate limits, GraphQL, Postman collections, JSON Schemas, examples, and more. …
skill://find-artifact/SKILL.md
Onboard an API provider end-to-end — pull its signup, authentication, base URLs and OpenAPI from the apis.io catalog and produce concrete, runnable first-integration steps. Use when a provider is chos…
skill://integrate-provider/SKILL.md
Turn a domain, URL, company name, or GitHub org into an apis.io provider slug, with its quality band and composite score. Use first whenever the user names a company rather than a catalog slug — which…
skill://resolve-provider/SKILL.md
Read a provider's apis.io quality score and the Kin Score rubric, then turn it into a ranked, do-this-next punch list of what to publish to move up a band. Use when someone wants to know how their own…
skill://score-my-api/SKILL.md
Search the apis.io catalog for APIs, providers, and tags by keyword, capability, tag, or provider. Use when the user asks what APIs exist for something, which providers offer a capability, or wants to…
skill://search-apis/SKILL.md
Turn one capability into a scored, compared vendor shortlist from the apis.io catalog, with a clear recommendation. Use for a buy decision on a single capability. Pro tier.
skill://shortlist-vendors/SKILL.md
Monitor the apis.io catalog for providers added or updated and for rating movement, across a chosen set or the whole network. Use for ongoing vendor monitoring. Pro tier.
skill://track-api-changes/SKILL.md
Check where an apis.io provider record's evidence came from — which artifacts the provider published first-party versus which apis.io derived — before citing a score or an artifact as fact. Use when a…
skill://verify-provenance/SKILL.md
Set up ongoing monitoring of the apis.io catalog using saved searches and lists — track a vendor set, get only what is new since last check, and watch for rating movement. Use for recurring vendor mon…
skill://watch-providers/SKILL.md
How to use
Add to your Claude Desktop / Cursor / Cline MCP config:
{
"mcpServers": {
"io.apis/apis-io": {
"url": "https://apis.io/mcp",
"transport": "streamable-http"
}
}
}