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?
dnsdoctor.dev
DNS and email-authentication diagnostics for AI agents: SPF, DMARC, DKIM, MX, blacklists, domain/SSL expiry and six-vantage propagation, with deterministic copy-paste fix records. Bulk scans and 24h propagation/HTTP-ping watches are paid pe…
kino402.com
Pay-per-call video generation and text-to-speech over x402, no account and no API key. Pricing is parametric rather than a flat tier: an unpaid POST answers HTTP 402 carrying the exact quote for the body you sent, and the amount that settle…
embed.gedx402.com
Cloudflare Workers AI hub with x402 v2 USDC. Hero integrator funnel: scrape-lite, open-answer, cited-research-pack. https://gedx402.com/docs/integrator-quickstart
parallax402.com
The x402 economy, measured. Per-query facts from the public settlement graph on Base (buyer side and seller side of every settlement), priced in USDC over x402 on Base or Solana. Live: GET /v1/window — a settler-frame census of any UTC wind…
reddit.apitoll.cloud
Reddit data API paid per call over x402. Four endpoints at /tmp/claude-1000/-home-mkkksm/3f6c399f-4272-45e5-813e-469c1162ffb0/scratchpad/apply-approves.sh.03 each: subreddit feeds, keyword search sitewide or scoped to a subreddit, comment t…
open-pay.jp
Live on-chain data about JPYC (the Japanese yen stablecoin) and curated Japan Web3 directories for AI agents, paid per request in USDC on Base via standard x402 (exact scheme, facilitator: Coinbase CDP). Endpoints: JPYC supply by chain, wal…
www.stablebrowser.dev
Remote browser sessions for AI agents, priced at 0.10 USDC on Base per session. Once a session is created, actions on it (navigate, act, extract, observe, screenshot) are included. Built on Browserbase and Stagehand.
email-verifier.underscoredone.com
Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admin@ or support@. One …
api.socialfetch.dev
Social media scraper API returning structured JSON for public posts, profiles, comments, transcripts and search across Reddit, TikTok, Instagram, X, YouTube, LinkedIn, Facebook and more. Each request is paid per call in USDC on Base via x40…
3route.agents.bakingbad.dev
3Route is an agent-ready multichain swap API from Baking Bad, a provider of tools for agents. Discover tokens for free, then pay per quote or unsigned swap.
api.clawfetch.ai
Web fetching for agents: page to clean markdown, rendering, extraction and parsing, research, and domain availability checks and suggestions.
x402.glassnode.com
Pay-per-request access to Glassnode on-chain, market, derivatives and supply metrics plus metadata endpoints, mirroring the Glassnode Advanced API without an API key. Payments are in USDC on Base: 0.05 USD per metric call and 0.01 USD per m…
hermesplant.com
Deterministic pre-execution safety gates and signed evidence for AI agents. The Action Safety pair scores consequential shell, Git, SQL, infrastructure, and deployment commands, returning risk, matched rule IDs, and an exact machine-readabl…
signalforgestudios.com
USDC-on-Base APIs for prospect qualification and batches, ecommerce listing formatting, ad/page checks and batches, English creative OCR, campaign-link and UTM checks, email HTML preflight and on-demand offer comparisons. Bounded evidence-b…
x402check.arden-instance.workers.dev
Live x402 conformance pre-flight check. Pass ?url=<x402 endpoint> and get a structured PASS/WARN/FAIL verdict on its HTTP 402 challenge — wire-version detection, EIP-712 domain completeness, accepts[] schema validity, payTo and amount sanit…
curl-http-request.underscoredone.com
Send an HTTP request to any URL from our servers and receive the full response — including the status code, all response headers, and the body content. Supports GET, POST, PUT, PATCH, DELETE, and HEAD. Automatically follows up to 3 redirect…
quotient-api-gateway.onrender.com
Quotient prediction-market signals across Polymarket and Kalshi: market search and lookup, mispriced markets, asset price outlooks, portfolio, and X profile and search data.
dmarc-lookup.underscoredone.com
Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMARC is a standard that tells email providers how to handle fake or spoofed emails pretending to come from your domain. For each doma…
acoda.xyz
Measured liquidation intelligence for AI trading agents: real exchange-reported liquidation levels from live Hyperliquid positions, plus observed CEX liquidation events across Binance, OKX, Bybit, BitMEX, Gate and HTX. Pay-per-call JSON ove…
marketdata.use.x402atlas.com
Pay-per-call market data API for stocks, crypto, forex, options and futures: OHLC bars, ticker reference, technical indicators, US macro series, corporate actions, insider trades, short interest and news. Flat $0.015 per call in USDC on Bas…
x402.freeq.one
Tool gateway: token prices, cross-chain balances and portfolio, World ID and Semaphore verification, QR codes, OG images, Mermaid and Markdown rendering, HTML to Markdown and job listings.
api.rxatlas.dev
Search normalized US drug products with source-linked FDA, DailyMed, RxNorm, NADAC, shortage, and enforcement enrichments.
oracle.cyberwarex.com
Is this token safe to trade? Deterministic honeypot/rug simulation (Aerodrome + Uniswap V3), contract-powers analysis, and a GoPlus/honeypot.is cross-check on Base & BSC. Grade A-F. Pay-per-call via x402 (USDC on Base).
ads.apitoll.cloud
Searches the public Facebook Ad Library by keyword, advertiser or page and returns the full ad creative: headline, body copy, CTA and destination link, media URLs, run dates and platform mix across Facebook, Instagram, Messenger and Threads…
stablefinance.dev
Pay-per-request API for US equities data: prices, financial statements, SEC filings, 13F holdings, insider trades and central bank rates. Wraps the Financial Datasets AI API at $0.02 per successful call, no upstream account needed.
api.m2msentinel.com
Deterministic Base mainnet transaction preflight and static bytecode capability evidence with PUSH-aware opcode analysis, proxy and EIP-7702 resolution, explicit unknown states, and x402 v2 access. It does not provide a safety guarantee.
tools.ipintel.ai
Pay-per-call x402 API package on Base: satellite observation from coordinates using Sentinel/Copernicus imagery, plus DNS, WHOIS, reverse DNS, domain health and availability, IP lookup, email validation and HTTP latency checks. Prices from …
api.invoket.com
The checks AI agents run before they act: verify IBANs and screen sanctions before paying, phone lines before messaging, FR/EU laws in force before advising, weather before deciding, VINs and recalls before buying. Official sources (EPC, OF…
ffpipe.dev
Video conversion for agents: any video to web-ready MP4 from a source URL or direct upload, $0.05 USDC per job over x402 on Base mainnet. Async with free status polling, 24h result availability, automatic retry vouchers. Remote MCP server a…
agent.kihustle.tech
The DACH compliance layer for x402 agents: Impressum/imprint, BFSG, DSGVO, cookie, outreach micros + content packs. USDC on Base.
perpsignals.use.x402atlas.com
Pay-per-call API for crypto perpetual futures: funding rates ranked across roughly 100 Binance perp markets, the list of covered symbols, and the current Fear and Greed sentiment index, returned as structured JSON.
hyperliquid.use.x402atlas.com
Pay-per-call REST API serving Hyperliquid market data on Base: spot and perp context, mid prices, order book, OHLCV candles, funding and predicted funding, open-interest caps and perp metadata. Nine endpoints, $0.005 to $0.01 per call. Oper…
agents.dyoeway.org
Agent tools from DYOE: contact extraction from websites, currency conversion, crypto and market data, token and merchant reputation, trending assets, weather and wiki lookups.
api.qonoro.ai
Qonoro is an x402-native intelligence API for autonomous agents: structured, source-cited B2B intelligence and data enrichment, callable 24/7 with pay-per-call USDC on Base. Endpoints cover company enrichment, research & discovery, competit…
gdelt.use.x402atlas.com
Pay-per-call wrapper over The GDELT Project's public news API: full-text search across global media (/search, $0.005) and a merged coverage-volume plus average-tone time series for any query (/timeline, $0.02), returned as normalized JSON.
wiki.use.x402atlas.com
Unofficial wrapper over the public Wikimedia REST API. Returns a normalized JSON summary for any Wikipedia title: plain-text and HTML extract, short description, thumbnail, Wikidata id, and CC-BY-SA attribution.