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?
localeformat.com
Verified, CLDR-versioned locale formatting for 120+ locales: currency amounts, numbers and dates per the official CLDR rules (de-CH apostrophe grouping, en-IN lakh, ja-JP zero decimals, Arabic-Indic digits), raw per-locale rules, and a /ver…
edge.arakelproof.space
Machine-readable Polymarket and Kalshi market context for AI agents over x402 on Base. Recurring market context, topic context, and richer decision context. Read-only data and decision support; no trade execution.
api2.romny.dpdns.org
Machine-payable crypto USDT-M perpetual alert data: recent hits, factor library, and rule catalog. 0.10 USDC per request on Base via standard x402. Separate from Romny Polymarket Data (api.romny.dpdns.org).
api.cnevidence.com
China supplier verification API and remote MCP. Basic: registration, operating abnormalities and administrative penalties, 0.032 USDC. Full: nine selected modules, 0.093 USDC. Base USDC via x402 v2. First page up to 10 records per list; not…
x402.pipeforge.tech
Pay-per-request infrastructure inspection API for AI agents and automated clients. For $0.02 USDC on Algorand MainNet, it returns structured DNS, HTTP/S, TLS, redirect, latency, and security-header data for a public Internet host. No accoun…
api.intelgeist.ai
Company risk profiles and single-question slices compiled from public records (GLEIF, SEC EDGAR, OFAC/UK/EU sanctions lists, US state registries), with every field sourced and dated and graded confidence. Paid per call over x402 in USDC on …
wodan-posture.app.goedvps.com
Access-posture reports for agent data sourcing. Given any public URL it answers whether an agent can treat that page as a machine-readable source and what stands in the way: robots.txt verdict for the exact path, bot-wall vendor fingerprint…
api.beyourspace.es
Pay-per-call catalog of 16 POST endpoints for agents: extract structured JSON from text (job offers, product sheets, changelogs), read a public page as clean Markdown, normalize CSV exports into JSON (requirements, experiment backlogs, onbo…
revenue-swarm.com
Machine-buyable EU procurement intelligence with autonomous x402 products from micro lookups through focused $5 and $49 tender research.
vweatherstation.com
VWeatherStation exposes a machine-payable weather API. Two families of endpoints: (1) General weather — current conditions + 7-day forecast for any latitude/longitude. (2) Prediction-market settlement data — temperature, rainfall, wind an…
grist.tools
grist.tools is a catalog of 50 deterministic HTTP micro-utilities for AI agents: fetch and clean pages, convert and split documents, probe media, resolve DNS and domain data. Each endpoint does one thing and returns the same output for the …
wearewaveline.com
AI-written artist insights for AI agents, 0.005 USDC per insight on Base. Unknown artist returns 404 and is never charged. Free preview at /api/insight/preview.
verify.astranl.com
Signed verification verdicts for agents from official European sources: Dutch and EU counterparty check (KvK register, VIES VAT, EU sanctions, Dutch insolvency register), EU sanctions name screening, Dutch vehicle check by licence plate fro…
opx-status.vercel.app
Task-aware decision intelligence for x402 web-search APIs. Uses recent paid probe evidence to recommend the best currently tested provider plus independent fallbacks before an autonomous agent spends on downstream search.
pay.64071181.xyz
Real-time price comparison for any product: lowest price, average and spread across live web sources, plus source links. Pay-per-call over x402 (USDC on Base, 0.02 USD per call). No account, no API key, machine-payable by autonomous agents.…
extract.ilyyya.com
Extract a public website’s likely logo URLs, brand colors, and font families as structured JSON with evidence and confidence. $0.001 USDC per successful result on Base via x402.
anibalb.duckdns.org
Public data paid per call in USDC on Base: BTC/ETH prices, EU VAT validation, OFAC sanctions screening. No API keys, no accounts.
idx.archipelagodex.xyz
Paid reports on tokens traded on Arc, for AI agents and programs. One JSON report per token: price, liquidity, 2% depth, 24h volume, every pool with its fee and hook, the launchpad that launched it, copy and same-ticker flags, CoinGecko lis…
claw402.ai
Pay-per-call gateway that resells third-party APIs over x402: CoinAnk crypto derivatives and market indicators plus OpenAI, Anthropic and DeepSeek model access, paid in USDC on Base.
x402.botsmith.dev
X Tweet Search ($0.02/call): Search X (Twitter) posts with full advanced-search syntax (from:, since:, until:, exact phrases, boolean operators). Returns up to 20 posts per call as clean JSON with metrics and entities, plus a cursor for the…
websearch.use.x402atlas.com
Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online — latest news, current events, fina…
x402.donnyautomation.com
Pay-per-call HTTP API: SEC EDGAR filings, US Treasury yield curve, Entity and compliance lookups, Agent utilities, x402 seller checks and agent demand index. Each paid route answers 402 with an x402 V2 challenge (USDC on base, eip155:8453);…
agentpay.tools
The economic-intelligence layer for AI agents — agents price a plan before spending, route to the cheapest tool that works, and stay under a hard budget cap, with a verifiable receipt after. 17 tools free to start. USDC on Base (standard x4…
docs.apollo.io
People and company search + enrichment
jeetscreener.io
Token screening and analysis
asksurf.ai
Crypto intelligence and research data
flylabs.fun
Pay-per-call data APIs for AI agents. YouTube transcripts and engagement data, settled in USDC on Base via x402. No signup, no keys, no rate limits.
data.rcqsignals.com
Signed, verifiable market data from RC Quantum: an 18-month BTC trading-performance series (P/L, win rate, cumulative return) from a live-parallel shadow with real exchange fills, hourly BTC market-state intelligence (directional bias, regi…
api.getanyapi.com
AnyAPI email.find (Email Finder)
thegraph.com
Indexing protocol for querying blockchain data with subgraphs
diffbot-kg.mpp.paywithlocus.com
Knowledge Graph — search 10B+ entities and enrich company/person records.
api.dune.com
Query across raw transaction data, decoded smart contract events, stablecoin flows, RWA tracking, protocol analytics, DeFi positions, NFT activity, blockchain market research, and whatever is trending in crypto.
x402.goldrush.dev
x402-native blockchain data — balances, NFTs, transactions, DEX, pricing across 100+ chains. Currently on Base Sepolia testnet.
verdoc.dev
Deterministic GitHub repository analysis for coding agents. Returns an AGENTS.md with build and test commands quoted from the repository's own manifests, each tagged with the file it came from, plus a directory map and entry points. No lang…
x402.gammapilot.com
Deterministic UTF-8 text statistics: word, character, and byte counts. No input retention and no paid upstream. Testnet-only: 0.001 test-USDC per call on Base Sepolia (eip155:84532).
x402.uhadev.com
Pay-per-call inspection APIs for AI agents: PDF page count/title/text preview (5MB), CSV structure inspection, image inspection, and URL probing. Pay in USDT on Arbitrum via x402; no API key, no signup.