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?
api.vindexapi.dev
Vehicle Intelligence for AI agents. Pay per call with x402 (USDC on Base) to decode any 17-char VIN with its original factory new-vehicle warranty terms folded in ($0.01), read MERGED US (NHTSA) + Canada (Transport Canada) recalls with the …
api.orcatrace.dev
OrcaTrace — Polymarket intelligence on x402. Track smart money, see what others miss. Real-time prediction-market signals across the full Polymarket board: quality-gated repricings with order-book microstructure, tracked-whale entries annot…
x402.blackswan.wtf
Real-time risk intelligence for AI agents
api.nansen.ai
Wallet labels + smart money flows + analytics
pro-api.coingecko.com
Crypto prices, market caps, trading volume
www.apideck.com
Unified API platform that connects AI agents to 200+ SaaS apps through one API. Accounting, CRM, HRIS, ATS, File Storage, Ecommerce, and Issue Tracking.
0xinsider.com
Polymarket analytics for sports and esports in real-time. Read-only tools for traders, researchers, dashboards, and AI agents.
anatome.dev
AI agent MCP workout & nutrition tracking - free, no registration. Log workouts, meals, cardio and body metrics by talking to ChatGPT, Claude, Cursor or any MCP client. 873 exercises with muscle diagrams, food search with barcodes (Open Foo…
api.6766587364.lol
Real-time XLM (Stellar) market intelligence for autonomous agents: sentiment, quotes, arbitrage, on-chain pulse, gas, prediction markets, wallet intel. Pay-per-call via x402 (HTTP 402) — no accounts and no API keys required.
apimesh.xyz
Pay-per-call API marketplace. 4 web-analysis, SEO, security, and devops APIs exposed as A2A skills for agents.
longwatch.dev
Experimental checks for public pages, RSS, price thresholds, SEC filings, and x402 challenges.
api.truthbear.co
Pay-per-call signals for AI agents via x402 (USDC on Base, no API key). HEADLINE VALUE: (1) pre-joined CROSS-LINE CASCADE — one call surfaces downstream exposure across industries (e.g. a dead neocloud/policy/dataset exposing the tools, fun…
apiacre.com
Discovers and recommends API Acre's x402-paid web, document, developer, research, data, and EVM services with Base or Solana USDC settlement. It never purchases or executes a paid service; clients inspect the recommendation and authorize pa…
api.ukintel.uk
Pay-per-call UK intelligence for AI agents, as clean JSON. Company checks: Companies House + FCA cross-checks with a 0-100 legitimacy verdict. Procurement: live UK tenders from Find a Tender + Contracts Finder as plain-English briefs and 0-…
readx.sh
Read-only JSON API for X (Twitter) data — user profiles, timelines, tweets and conversations, edit history, search, Lists, followers/following/mentions, trending topics, Spaces and Communities metadata, long-form articles, and broadcasts. N…
bykaranteli.com
Crypto derivatives data terminal: liquidations, funding, open interest, options, ETF flows, CFTC positioning, order flow and slippage, recorded by our own collection network. Programs read the JSON API with a free account key (paid plans ra…
newruntime.com
AI-engineering newsroom tools for agents: contextualize any AI/software URL for free, see what changed this week, read graded forecasts and the weekly metadox, find the official primary source behind a post or claim, check a rumour against …
growaify.com
Autonomous commerce for AI agents. Agents discover services, negotiate binding quotes, place idempotent orders, pay via PayPal or x402, and receive SHA-256 verified deliverables. 32 services and E2E bundles across 15 sectors.
jeonjang.kr
Korean automotive-electronics intelligence (jeonjang = vehicle E/E systems), sold per query. Structured feed of Korean auto-electronics news, analysis and KPIs - software-defined vehicles, ADAS, automotive semiconductors, in-vehicle network…
robotinsight.kr
Korean robotics industry intelligence, sold per query. Structured feed of Korea/Asia robot-sector news, analysis and KPIs - humanoids, physical AI, robot components (reducers, actuators, MEMS force-torque and tactile sensors), robot semicon…
mobilitychain.kr
Korean mobility and EV supply-chain intelligence, sold per query. Structured feed tracking Korea's automotive-electronics and robotics supply chain - batteries and battery materials, EV components, robot parts, actuators and reducers, semic…
api.agentstools.dev
Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served.
api.robinx.io
The measurement layer for Robinhood Chain (4663): every X caller and deployer graded against real on-chain price since chain genesis. Inputs for trading agents, not predictions. Per-call x402 (USDC on Base), no API key.
docs.usecroma.com
Build with government data.
konbiniapi.main-kill-isr.mintlify.me
KonbiniAPI documentation — a REST API that normalizes Instagram, TikTok, X, Reddit, and LinkedIn data into clean, consistent JSON using the ActivityStreams 2.0 standard.
docs.superdial.com
Submit requests and retrieve results programmatically.
docs.cloud.cdata.com
Connect AI by CData — documentation for connecting AI assistants, agents, and automations to your enterprise data via the Model Context Protocol (MCP).
docs.konbiniapi.com
KonbiniAPI documentation — a REST API that normalizes Instagram, TikTok, X, Reddit, and LinkedIn data into clean, consistent JSON using the ActivityStreams 2.0 standard.
developers.zerion.io
Zerion is an Ethereum and Solana wallet and developer platform focused on making blockchain data easy to use.
docs.seamless.ai
API & MCP for B2B Sales Automation
docs.brightdata.com
Documentation for Bright Data proxies, Web Unlocker API, SERP API, Web Scraper API, Browser API, Bright Data MCP, datasets and the CLI.
examples.apis.io
Read-only discovery over the APIs.io catalog of API providers, their APIs, and the machine-readable artifacts each publishes. Searching the catalog, reading a provider or an API, and browsing tags, taxonomy and artifacts are free and need n…
apis.io
Read-only discovery over the APIs.io catalog of API providers, their APIs, and the machine-readable artifacts each publishes. Searching the catalog, reading a provider or an API, and browsing tags, taxonomy and artifacts are free and need n…
apievangelist.com
Sixteen years of API research, governance and vendor intelligence as machine-readable tools: 5,100+ stories, 77 topic areas, 2,400+ governance building blocks (guidance, rules, policies, standards, strategies), papers, conversations, the AP…
www.explorium.ai
Explorium provides real-time, structured B2B data infrastructure for AI agents, copilots and GTM automations: company and prospect search, enrichment, and business event signals over a unified REST API and a hosted MCP server.
cdata.main-kill-isr.mintlify.me
Connect AI by CData — documentation for connecting AI assistants, agents, and automations to your enterprise data via the Model Context Protocol (MCP).