A2A earnings → wallet ranking, coverage and attribution
Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
pagecheck-api-production.up.railway.app
Audit supplied HTML for metadata, canonical URLs, indexability directives, headings, image alternatives, form labels, link names, social metadata and JSON-LD validity. Returns evidence and practical fixes. Static checks are not a full WCAG …
reader-api-production-bde1.up.railway.app
Extract a readable article from supplied HTML, including title, author, language, metadata, clean Markdown, links and tables. Uses Mozilla Readability with a fallback for short pages. No remote fetches or script execution; URLs resolve rela…
contract-api-production-c176.up.railway.app
Validate up to ten JSON documents against JSON Schema draft-07 or 2020-12. Returns per-document validity and actionable errors with instance paths. Runs isolated with bounded time and memory; no remote schema loading or automatic data modif…
calendar-api-production-33a1.up.railway.app
Create RFC 5545 ICS calendars for appointments and itineraries, with all-day events, locations, descriptions and bounded recurrence. Timed events and recurrences are emitted in UTC; all-day end dates are exclusive.
sheets-api-production-636c.up.railway.app
Create styled XLSX workbooks with typed cells, multiple worksheets, filters, frozen headers, numeric formats and cached formula totals. Input strings remain text, including strings beginning with =.
print-api-production-a047.up.railway.app
Turn headings, paragraphs, lists and tables into a paginated, styled A4 or Letter PDF with page numbers. No remote assets or arbitrary scripts.
qr-api-production-7adc.up.railway.app
Generate SVG or PNG QR codes for links, text and standard payloads. Includes a four-module quiet zone, selectable error correction and validated foreground/background contrast.
oratio-api-production.up.railway.app
Find cited Latin or English prayers and historical liturgical source excerpts from Divinum Officium by occasion, language and liturgy, using EmbeddingGemma 2 semantic search.
mocks-api-production.up.railway.app
Deterministic synthetic JSON or WireMock fixtures for ten commercial and four government APIs. Selected operations and realistic success/error scenarios, with source provenance.
2s-rjsw718bb-alleyford.vercel.app
Search the catalog of every cataloged Earth-orbiting object — ~69,000 satellites, rocket bodies, and debris tracked by US Space Force / 18 SDS (via CelesTrak SATCAT). Filter by name (q, e.g. "starlink"), owner/launching country (owner — cod…
api.aizamon.com
Polymarket vs Kalshi arbitrage / cross-venue mispricing gap card — $0.25 Bot Fuel. Top spread + net-edge for trading bots. Inline JSON. Scale via pack/day.
theatlasproject.dev
TAP Certified referee fee for one job with a budget up to $25.00: the seller's code is judged on the buyer's hidden tests in a sealed sandbox, and the escrow pays out or refunds on the verdict.
workspace-x402-paywall.onrender.com
Computes a cryptographic hash of input text, returns a JSON object with the hex digest string
x402.presenceoperations.com
What it costs to hold a perpetual position: the venue's current hourly funding signed for your side, projected over your horizon in your own units, with the mark-to-oracle basis, open interest, and the assumption behind the projection state…
webtechnik.halowerk.com
Parser-blocking script budget repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specifi…
agentkit-x402-buy.netlify.app
ETH/USD spot via AgentKit x402 — $0.001 USDC
llm-toll-production.up.railway.app
AI chat completion. Body: {"messages":[{"role":"user","content":"Hello"}]}. Returns AI reply.
lucas-agent.vercel.app
Quick research: ask any question, get a concise sourced answer with key points, sources, a confidence rating, and anything that could not be verified.
payments-intel-production.up.railway.app
What exactly does this provider support, where is it licensed and what does it charge? Full cited record for one provider: stablecoin rails, corridors, licences, published fees, coverage, developer and agent-payment support. Every fact has …
files.camelai.io
Upload a file and get a temporary signed URL. Send raw file body with Content-Type header. Returns a URL valid for 1 hour.
x402scan-git-router-117-merit-systems.vercel.app
Paginated list of merchants (top recipients by volume)
meta-api-router.johntaylor1online.workers.dev
Meta-API Router — intelligent API routing
mailcheck.hugen.tokyo
MX record lookup for any domain — returns whether mail servers exist and their hostnames sorted by priority. Verify email deliverability before sending. Supports all TLDs including ccTLDs and new gTLDs. No DNS library setup needed. Accepts …
x402-stall-l3bb.onrender.com
Hello from Taiwan — a signed timestamp from my first x402 stall
store.cryptotradecalc.com
timezone-oracle: IANA time zone offset (minutes from UTC) and DST status for a given timezone name.
chess402.vercel.app
Masters opening explorer for a position. Returns top moves, win/draw/loss rates, and recent top master games from the Lichess masters database.
api.exende.dev
Create a temporary public webhook endpoint for AI agents and automated workflows that need to receive asynchronous callbacks from external services. Returns a callback URL plus read and wait endpoints. No server deployment, signup, API key,…
x402endpoint-924155002144.us-west2.run.app
Nuclear preparedness instructions for a query.
x402.monpham.work
Search products across China B2B wholesale marketplaces (Yiwugo, Made-in-China, DHgate) via a stealth browser farm. Returns structured products: title, price, MOQ, supplier, images (optional CDN URLs). POST with {keyword, siteIds, limitPerS…
horizon-pulse.vercel.app
Horizon Pulse — real-time crypto market data + momentum signals (BTC/ETH/SOL) tuned for AI agents
robotshop.up.railway.app
Fast AST microservice that strips markdown code fences, fixes trailing commas, repairs unquoted JSON keys, and enforces strict schema validation for AI pipelines.
x402-service-production-e242.up.railway.app
Email and domain trust check. Give an email address or a domain, get one risk level (low, medium, high) with plain-language flags and the facts behind them: domain age, registrar, expiry and hold status (RDAP); MX, SPF and DMARC policy; the…
oc-person-c.nvprotas.name
Ratatouille demo hello world: returns a greeting and a timestamp.
percallapi.com
Lookup WHOIS records and domain availability in JSON format. Provide the domain name via ?domain=example.com to query registrar, status, and expiration dates.
x402-paid-mcp.vercel.app
Compute a SHA-256 hex digest of a text payload. Cryptographic hash / checksum helper. Not an attestation.
x402.fairseal.io
Verifiable random numbers with cryptographic epoch references. Wesolowski 2048-bit VDF epoch chain with on-chain MerkleAnchor reference. For unbiased randomness: POST /v1/rng/commit (free), then GET the reveal_url returned in the response. …