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?
aura.rohnelt.dev
Aura is the persistence layer for ephemeral agents: a permanent email address and webhook URL, durable memory, and the ability to wait for an event or park state and exit without burning tokens.
gateway.spraay.app
Multi-chain batch payment protocol + universal payment gateway (x402 + MPP) with 158 paid endpoints for autonomous agents. Powered by Spraay Protocol on Base.
furigana.agentic-jp.com
Japanese text readings: furigana/kana/romaji conversion, personal- and company-name readings, text normalization and classification. Pay-per-call HTTP API using the x402 payment protocol (USDC on Base / Polygon / Solana) — no API key or sig…
toll402.dev
The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,526 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation…
x402engine.app
Pay-per-call API gateway for AI agents. 125 tools including image and video generation, LLM inference (87 models), code execution, audio transcription, speech synthesis, crypto data, wallet analytics, travel, ENS, IPFS, web search, web scra…
doc.lonestaroracle.xyz
PDF to Markdown conversion and document intelligence.
three.ws
three.ws: the 3D agent economy. Generate, rig, and animate 3D avatars and worlds; buy and sell agent services with x402 micropayments (USDC on Solana, Base, and Arbitrum); and consume live crypto market, DeFi, news, and on-chain intelligenc…
archtools.dev
The first API platform built for autonomous agent payments. 63 production-ready tools for AI agents and developers. Web scraping, AI generation, crypto data, NLP, media, validation, and more.
floyd.lonestaroracle.xyz
Autonomous coding agent — completes GitHub tasks writes code opens pull requests
x402.compacthost.com
Pay-per-call generative AI tools for autonomous agents, settled in USDC on Base via x402.
aiagentsarchive.com
Paid handoff desk. Earn Base USDC (90%) by filing sealed research; save redo cost by unlocking. Filing free. Replay free.
api.trustboost.dev
TrustBoost sanitizes PII from text before it reaches LLMs. Every paid sanitization is anchored on Solana — verifiable by anyone, forever. The only PII sanitizer with on-chain proof.
openai.mpp.tempo.xyz
Chat completions, embeddings, image generation, and audio with model-tier pricing.
old2new.app
Recipe transformation and recipe-photo generation API for dietary restrictions and health goals.
api.agishub.com
One server, every tool your agent needs — no API key, no signup. 34 pay-per-call endpoints over x402 (USDC on Base): AI (chat, summarise, classify, entity and structured extraction, embeddings, transcription, text-to-speech, image generatio…
x402vid.com
YouTube intelligence rail: 18 paid tools ($0.01-$1.00 USDC on Base via x402) — transcripts, AI-ranked search, niche/shorts/thumbnail/channel reports — plus OpenAI-compatible answers at POST /api/v1/chat/completions ($0.05, model x402vid-you…
api.exo-trust.com
Paid AI-utility micro-tasks for agents over x402 (USDC on Base, exact scheme): classify, summarize, translate, proofread, rewrite, extract, code_explain. Strict JSON out, no account and no API key.
x402-crypto-research-api-production.up.railway.app
Current crypto research reports with cited sources, paid per request in USDC through x402.
grawwww.xyz
x402-native AI character video and image generation. 5-second persistent-character videos ($0.99), still images ($0.10), and manifest/data ($0.02). USDC on Base, x402 v2. Already settled: 1 buyer, 0.02 USDC (2026-09-09).
api.gosyog.lol
Paid LLM-as-a-service API on Base USDC. Five deterministic-first tasks: json_repair (fix malformed JSON, $0.02), extract_fields (pull named fields from text without fabricating, $0.03), classify_text (label text against your own categories,…
a2apay.io
Pay-per-call AI query and persistent memory for autonomous agents. No account, no API key, no signup — the free tier works immediately, paid calls settle via x402 (USDC on Base).
www.mahastrategies.com
Two bounded x402 APIs on Base/USDC: Context Compiler ($0.001) selects and deduplicates source-linked passages into a token-budgeted context pack. Deep Context Evaluation ($0.01) additionally measures exact retention of caller-labelled evide…
mpp.api.agentmail.to
Email inboxes for AI agents.
x402.api.agentmail.to
API-first email inboxes for AI agents. Full SDK surface is payment-gated: inboxes, messages, threads, attachments, websockets.
api.ai.everything.inc
Ask Eva: the autonomous research desk for crypto, DeFi and global markets, from the Everything.inc ecosystem. Eva is a multi-step AI agent that writes and runs code over live, institutional-grade data instead of guesswork: real-time prices,…
transcribe.soboljem.cz
Send audio as base64 bytes in the request body, or as an https URL, and get back the transcript, ready-made WebVTT subtitles, and an editor's cut list marking every stretch of dead air and how much shorter the result would be. Flat $0.02 pe…
first-fold-48h.tatoespitia.chatgpt.site
Paid x402 API for AI agents that turns a product offer, audience and proof into a structured conversion-ready landing-page message map. Returns objections, trust language, CTA options and testable first-fold copy in JSON; payments settle in…
contextiq.trango-compute.com
ContextIQ is an Agentic Commerce & Context Engineering tooling company.
worxai.tech
19 production-ready synthetic datasets for AI agent training and testing — financial markets, x402 agent payment traces, MCP tool-call transcripts, healthcare claims, IoT sensor logs. Generated on demand, purchasable individually. USDC on B…
strategic-divergence-engine.johntaylor1online.workers.dev
18 analysis-grade x402 APIs (39 endpoints) with 4-turn recursive dual-pole synthesis. By Chisolm Software Engineering.
yiduochan.com
Prepaid credits and pay-per-call inference for MiniMax models over x402. Pay USDC on Base or Arbitrum and receive a working OpenAI-compatible API key in the response — no account, email or signup. Serves MiniMax-M2.7 and M2.7-highspeed for …
api.neurodynamic.tech
English catalogue narration, transcription and authorised private voice cloning for agents. Seven ready voices with free samples: 0.005 USDC per MP3 up to 1,000 characters, no account required. Transcription: 60 seconds for 0.01 USDC. Revie…
api.gigsoul.com
Pay-per-call AI agent tools for marketing, content, research, and analysis. 23 endpoints ($0.04-$0.10 per call, USDC on Base): competitor analysis, SEO keywords, cold email and follow-up sequences, LinkedIn posts, document summarization and…
api.render402.xyz
AI video generation API for MiniMax H3 text-to-video, image-to-video, first-and-last-frame, and lip-sync workflows, paid per request in USDC over x402 v2 on Base.
x402.eleeth.com
Pay-per-call x402 v2 API store on Base mainnet (USDC): 34 endpoints including web search, page reader, AI chat, AI image/video generation, text-to-speech, podcast generation, and crypto/weather/stock/fx/news/dns/wayback/rss/summarize/whois/…
redrobotrouges.ca
OpenAI-compatible chat completions served on local GPUs in Quebec, Canada. Pay $0.001 USDC on Base per call via x402; no API key or signup. Canadian data residency (Loi 25), French and English. Contact: hello@redrobotrouges.ca