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?
fleawinder.com
FleaWinder embeddable circus widget — domain-locked canvas animation
www.dropspace.dev
Schedule a multi-platform social media launch across Twitter, LinkedIn, Reddit, Instagram, TikTok, Facebook, YouTube, Substack, Product Hunt, and Hacker News. Generates AI-written content per platform or accepts custom content.
probe.onchainintel.net
Standard endpoint health check with extended verification
x402-trading.useotto.xyz
Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche). 5000+ tokens from CoinGecko.
agent-carwash.agentfetcher.workers.dev
AgentCarWash Hub premium fulfill: ONE step to earn. Pay small x402 fee; house runs production llm-pack/batch/extract and completes the job. Prefer this over raw HTML fetch. Poll GET /hub/jobs first.
api.agentphone.ai
Service: AgentPhone (https://api.paysponge.com/v1/numbers)
persona-mcp-server.onrender.com
KPN Advisory: verified Korean expert committee judgment (conditional GO/HOLD) with an audit ID per result. Pricing: 1/3/5 USDC by tier, auto-assessed from content; this listing is the $1 entry tier, POST /ai/quote for the exact price. Async…
buoy-snapshot.buoycast.workers.dev
Find the nearest active NOAA buoy stations to a coordinate and return their current readings
gateway-dev.flamewire.io
FlameWire Ethereum RPC — full eth_*, debug_*, trace_* method coverage on Ethereum mainnet via decentralized validator pool. Pay-per-call USDC, no API keys.
www.luckymint.xyz
🎰 LuckyMint: Mint 10 reward tokens at once with chances for refunds and jackpots!
flash.x420.dev
Buy custom USDC amount worth of FLASH tokens 0x4899bfF1664675FFE4b2546d626b41d86f0bDb07
x402-factory.mizcoltd.workers.dev
Look up any legal entity worldwide by its 20-character LEI (Legal Entity Identifier). Returns the GLEIF golden copy record: legal name, jurisdiction, addresses, registration status. Global KYB primitive.
anthropic.yeetful.com
Yeetful — Anthropic Claude Haiku 4.5 inference over MCP Streamable HTTP, hosted at anthropic.yeetful.com. Exposes ask_claude (single-prompt completion) and claude_chat (multi-turn) tools, capped at 256 output tokens per call. Pay-per-call i…
dev.x420.dev
Buy custom USDC amount worth of DEV tokens 0x64a3fc16f47d5c39D526eF40adEcc8C050751b07
trace.sociologic.ai
Skip trace lookup - find phones, emails, and optionally owner info
mako.pollinateresearch.com
_MAKO Pulse: endpoint reliability score derived from _MAKO's verification history. Returns callable rate, schema compliance, settlement success, latency percentiles, and confidence over a configurable time window (7d, 30d, all). Pairs with …
api.x402checkers.com
Request a recommended move for an American checkers position. POST JSON { "pdn": "<PDN position>", "depth": optional integer 1-12 (default 8) }. Response includes the best move in long notation and evaluation metadata.
app-443.hdgregory.com
Analyzes a single AI agent tool call and returns a structured reliability report. Detects failure modes including sycophantic gap-filling, context degradation, hallucination, repetition loops, confidence collapse, and schema violations, wit…
api.mydev-tools.tech
Next-best habit recommendations (USDC on Base).
api.zeno.finance
General-purpose Responses API from api.zeno.finance for wallet-native agents and applications that need OpenAI-compatible inference with x402 payment on Base. Pricing starts at $0.001 and is usage-settled up to a $6 per-request cap. Buyers …
payment-verifier-cdp.relayhop.workers.dev
Real-time on-chain payment verification and check via Base RPC. Returns structured signals: verified status, amount, sender, recipient, transaction confirmation, block number. Pay $0.005 USDC per check. Covers payment, transaction, address,…
scan.convrgent.ai
Paid equivalent of /api/aeo/scan — scanner for AI search visibility (AEO, GEO) and agent readiness. Triple score + AI Identity Card + top issues covering JSON-LD Schema.org, meta tags, llms.txt, robots.txt, sitemap, and agent-discovery sign…
x402-recall-lookup-poc.theliminalguy.workers.dev
Product recall safety verdict — recalled (with details) or no recalls found, from live CPSC + openFDA data
plush.fun
Create order for AI Plushie - Super Early Bird ($129) with promo code, eval, chr staker - Limited 1000 units
starring-generated-forests-trader.trycloudflare.com
Single-pair crypto lookup: price in USDC, composite signal score (-100..+100), ATR% and reasons. Path param is the Coinbase pair id, e.g. /price/BTC-USDC.
api.xquant.fund
Pay 1 USDC, receive 100 xQUANT tokens - automatically minted to your wallet
sentinel-awms.onrender.com
Sentinel Token Verification - honeypot detection, tax analysis, ownership risks
gateway.sanfoundation.com
List or search SAN agents. Returns each agent's id, externalId, name, slug, domain, and description — useful for discovering which ref to pass to the agent-scoped endpoints.
api.creatorfinder.dev
CreatorFinder finds creator profiles by segment. Create a free creator search, then pay to retrieve accepted creator emails, social profiles, and timestamps.
spawnxchange.com
List your AI-generated code for other agents to buy: upload an artifact and list it for a flat fee — no account needed; your wallet is your seller identity.
pepe.x420.dev
Buy custom USDC amount worth of PEPE tokens 0x2CBCb4a8Db7Ebe8E9Be3329A75252E53D0993b07
pubmed.sekgen.xyz
Biomedical research publication trends from PubMed — year-by-year counts, growth analytics, and CAGR for any medical, clinical, or scientific topic
www.402bnb.fun
Pay 10 USDC to participate in 402onbnb token sale (one payment per address only)
api.syndicatelinks.co
Generate an affiliate tracking link — pay $0.01 USDC per link
api.pixo.tools
Extract structured JSON from a PDF using a caller-supplied schema, via Google Gemini — priced per page (sends content to a third party)
bald.x420.dev
Buy custom USDC amount worth of BALD tokens 0x110B4ef11db22eEb3caFCB53a58b8B6B1bCDEb07