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?
blockrun-staging-ca56eb9-114228-vbsbhh7lea-uc.a.run.app
AI chat completions API - pay per request with USDC on Base
agent-economy-signal-x402-mainnet.bronzetti-andrea.workers.dev
Agent Decision Signal. One x402 payment buys one deterministic machine-readable market decision.
offersignal.io
Weekly signal on changes to the OfferSignal Tool Index: price changes, policy changes, and new/removed AI companion tools since the previous snapshot.
poms-api.canvas-cart.workers.dev
Full text of one section of the SSA Program Operations Manual System (POMS). Get the id from GET /search?q=<keywords> or GET /part/:code. Use this when you need the complete, verbatim text of a specific POMS section for a disability, retire…
ccpcrate.ca
One Canadian CCPC, one taxation year: the federal and provincial rate stack, Part IV, RDTOH, the dividend refund.
irm-api.canvas-cart.workers.dev
Full text of one section of the IRS Internal Revenue Manual (IRM). Get the id from GET /search?q=<keywords> or GET /part/:number. Use this when you need the complete, verbatim text of a specific IRM section on IRS examination, collection, a…
exec.speccy.cloud
Run untrusted Python 3.12 code in an isolated Docker sandbox (no network, read-only FS, 0.5 CPU, 512MB RAM, 30s timeout). Returns stdout, stderr and exit code. Max code size 64KB.
tools.speccy.cloud
Standard ffmpeg transformations: transcode, simple filters, resize <1080p. Returns base64 output. 50MB max input/output, 60s timeout, sandboxed workdir.
denpyo-api.hp-vladic.workers.dev
OCR a Japanese invoice (請求書) into JSON — vendor, line items, 8%/10% consumption-tax (消費税) breakdown — and verify the qualified-invoice registration number (適格請求書 インボイス登録番号 / T番号, T+13 digits) against Japan's National Tax Agency (国税庁) regist…
payment-recon.krimskrams.xyz
Provide a Tempo or Base recipient address and optional UTC bounds within a maximum 31-day window (default seven days). Receive JSON from public chain data with incoming stablecoin transfers, totals, and product, protocol-fee, or unknown cla…
listing-watchdog.krimskrams.xyz
Provide one seller-owned HTTPS route and its GET or POST method. Receive JSON that compares its live unpaid challenge with the latest local CDP Bazaar, x402scan, and MPPScan snapshots and lists each drift.
readiness-linter.krimskrams.xyz
Provide one inline OpenAPI document or public OpenAPI URL. Receive a JSON buyer-readiness score, rule results, and concrete fixes for payment metadata, missing examples, descriptions, and HTTP 422 traps.
x402-paid-endpoint.selfradiance.workers.dev
One machine-readable Zion Skank creative license artifact sold for $1 USDC on Base mainnet.
paulgraham.researcher.now
Search Paul Graham's source corpus — a source-grounded persona of the Y Combinator co-founder and essayist, built from 13,000+ cited sources: his complete essays, talks, interviews, and X posts — by semantic + lexical query and retrieve gro…
apiwitchcraft.duckdns.org
Pay-per-call IP geolocation API: given any IPv4 or IPv6 address, return the physical location (city, region, country, postal code, latitude/longitude, timezone) plus network intelligence (ISP, organization, ASN, connection type). Use it to …
flutter.bip-rep.com
Flutter and Dart utility API for mobile agents and operators: pubspec parsing, pub.dev package lookups, Flutter APK detection, dependency checks, Dart formatting, project static analysis, ARB localization validation, and controlled APK buil…
convert.bip-rep.com
Convert between common document and data formats in one API for content and data agents: Markdown to HTML, HTML to Markdown, HTML to clean plain text (scripts/styles stripped, entities decoded), CSV to JSON (with or without header row), JSO…
osha-search.46-224-157-88.sslip.io
Look up U.S. OSHA workplace inspections by establishment or company name. Use establishment, state, start_date, end_date, violations_only, and limit. Receive up to 20 JSON records with activity_id, date_opened, report_id, state, inspection_…
cron.bip-rep.com
Dedicated cron expression utility for agents: compute the next N upcoming run times from a cron schedule with optional IANA timezone. No job execution, no shell access — parse and predict only.
structdoc-api.hp-vladic.workers.dev
route-catalog.krimskrams.xyz
Count public paid API listings across collected snapshots. Receive JSON with route, seller-host, pay-to receiver, network, price, and HTTP method counts, plus new and removed seller hosts and the 24-hour route-count change.
twentyonemillion.art
One permanent square on twentyone-million, $1 USDC on Base (one per wallet). Want it? Retry this request with a signed payment and the square mints in the response. Pass ?handle= and ?message=. Live: 5 of 21,000 squares claimed, 20,995 open…
web-attestation.selfradiance.workers.dev
Returns an Ed25519-signed witness-only byte-observation attestation for a caller-supplied HTTPS URL.
researcher.now
Search Paul Graham's source corpus — a source-grounded persona of the Y Combinator co-founder and essayist, built from 13,000+ cited sources: his complete essays, talks, interviews, and X posts — by semantic + lexical query and retrieve gro…
chappy-japan-address-preflight.pre23964wb.workers.dev
Town-level Japan Post evidence for buyer agents. Returns MATCHED, AMBIGUOUS, CONFLICT, or NOT_FOUND with ordered candidates, provenance, limitations, and the next safe input action.
friction-logs.krimskrams.xyz
Provide a published slug from GET /v1/logs. Receive JSON with the complete Markdown record of our direct provider attempts, chronological blockers, impact, workarounds, outcomes, and the last-update time.
agent-api-listings.krimskrams.xyz
Provide an API origin, inline OpenAPI document, and optional target list. Receive JSON with ready, blocked, or unsupported mpp.dev and x402-list packages, including exact reasons, without submission or directory fees.
qr.bip-rep.com
Generate and read QR codes in one API for agents and automation. Generate a QR code from any text or URL as a PNG (base64) or scalable SVG, with configurable error-correction level, quiet-zone margin, and scale. Decode reads the embedded pa…
x402-license-gateway.selfradiance.workers.dev
Sells an Ed25519-signed license receipt (agentic-receipt-v2.2) for Restarules for 1.00 USDC on Base mainnet.
x402.outpimp.com
Email validation API. Checks whether a string is a syntactically valid email address using the same production-grade validation library trusted across the Node.js ecosystem, catching edge cases a quick regex misses. Returns true or false.
compress.codreanu.casa
FFmpeg video transcode to a smaller MP4 (same resolution and fps). H.264 (x264) or HEVC (nvenc GPU / x265 CPU). Caps: 16 GiB, 2 hours. Do not pay this URL first. 1) GET /v1/info 2) POST /v1/jobs with JSON {profile: nvenc|x264|x265} 3) HTTP …
api.lmxcloud.io
Pay-per-request OpenAI-compatible chat completions on DePIN infrastructure. Generate text from Llama, Qwen, DeepSeek, and other models with USDC micropayments on Base — no prepaid API credits required.
api.entit.ai
Analyse a TikTok, Instagram Reel, or YouTube Shorts video. Omit format for full VideoAnalysis (transcript, scenes, visual summary). Optional format selects a workflow template (24 formats: brand safety, creator brief, recipe, tutorials, e-c…
brmarket.thomenz.me
Paste a product URL from ANY store; the API identifies the product and returns the same or equivalent item CHEAPER across Mercado Livre, Shopee and AliExpress. Each candidate carries a `match_confidence` (no cross-marketplace barcode exists…
api.chartsplat.com
A Chart.js-compatible charting API: POST a standard Chart.js `{ type, data, options }` — the same object you would hand to `new Chart()` — and get back a rendered PNG. Supports bar, line, pie, doughnut, radar, polar area, and candlestick/OH…
api.vectorway.io
Pay-per-call OpenAI-compatible chat completions backed by Gemini 2.5 Flash / Flash-Lite / Pro, with optional RAG-style vector memory recall and write. No account needed — pay USDC over x402 per request. Buyer wallet from the signed payment …