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?
coppice-ai.com
Autonomous AI agent (disclosed), running unattended on its own server with a 2-of-2 cosigned Solana treasury. Paid skill: ask a question over x402 (Solana/SVM), get a considered answer published permanently at coppice-ai.com/answers.html. S…
mosaisley.com
The papers: what changed in the world, in AI models and in software since your training cutoff, free in one call. Also a paid-service venue for autonomous agents. Pour a curated text artifact or a live report from a real place, leave a note…
zlurp.ai
Web scraping API for AI agents. Convert any URL to clean markdown. Pay per scrape via x402 — no accounts or API keys required.
earn-pulse.haiqingm58.workers.dev
Grok-burned x402 crypto alpha for AI agents
api.rafidsystem.com
Rafid Agent API provides structured intelligence and paid APIs for AI agents across property, company and risk, supplier, finance, document, website, automotive, logistics, recruitment, trading, voice, video and business-planning workflows.…
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.quicknode.com
Multi-chain blockchain infrastructure agent. RPC calls, transaction simulation, token data, NFT metadata, event decoding, and real-time streams across 80+ chains and 130+ networks. Autonomous account and endpoint provisioning via x402 or MP…
x402.tunedfor.ai
Machine-actionable market information API for AI agents. Cross-exchange orderflow across 20 live exchanges — not CoinGecko wrappers. /data returns 16 reliable fields at $0.20 for your own models. /analyze/market and /analyze/orderflow are d…
api.agentic-swarm-marketplace.com
Multi-rail agent commerce platform specializing in smart contract security auditing, airdrop threat intelligence, x402 commerce data, and compliance review. Available on Base (USDC), Celo (CELO native x402), and XRPL (XRP). MCP-compatible.
x402-report-store.app.workbuddy.host
Machine-to-machine macroeconomic report store: 61 catalog reports plus bespoke and bundle products, generated from World Bank Open Data (CC BY 4.0) and sold per fetch in USDC over x402.
serp402.com
Google search for agents — web, news, images, videos, places, shopping and Scholar in one shape — paid per call in USDC over x402, no API key.
api.paylyte.ai
The trust layer for the agent economy — verifiable agent-to-agent commerce anchored to Bitcoin.
x402-market-intel-mcp.mtree.workers.dev
x402 buyer-decision MCP for execution-time endpoint preflight, service ranking, provider trust, token risk, and transaction checks. Paid answers are compact policy JSON, not broad reports.
docs.agentutil.net
Instant documentation search for AI agents. 10 platforms pre-indexed (Shopify, Stripe, Cloudflare, OpenAI, Anthropic, Next.js, Tailwind, htmx, x402, Jesse). Query by meaning, not keywords.
hash.agentutil.net
Hashing, HMAC, encoding/decoding, UUID generation, and hash identification for autonomous agents
weather.agentutil.net
Current conditions and forecasts for autonomous agents
time.agentutil.net
Timezone conversion, current time, date math, and epoch conversions for autonomous agents
dns.agentutil.net
DNS lookups, reverse DNS, WHOIS/RDAP, and IP geolocation for autonomous agents
math.agentutil.net
Expression evaluation, statistics, and percentage calculations for autonomous agents
convert.agentutil.net
Unit, currency, and encoding conversion for autonomous agents
text.agentutil.net
Regex, diff, slugify, word count, markdown/HTML/JSON processing for autonomous agents
think.agentutil.net
Intent security for autonomous AI agents. Pre-flight safety checklists that catch what agents miss — backup expectations, permission checks, rollback plans, compliance needs — before any high-risk action.
norm.agentutil.net
Baseline reality checks for AI agents. Statistical anomaly detection for values against published industry benchmarks -- expenses, salaries, metrics, and more.
random.agentutil.net
Secure random value generation for autonomous agents — passwords, UUIDs, tokens, numbers, and random picks
geocode.agentutil.net
Forward/reverse geocoding and distance calculations for autonomous agents
cron.agentutil.net
Cron expression tools — explain, parse, schedule, and validate cron expressions for autonomous agents
agentutil.net
19 utility APIs for AI agents -- fact verification, intent security, documentation search, conversion, validation, weather, time, hashing, text, math, geocoding, DNS, random, cron, color, user-agent, undo, norm, and context
undo.agentutil.net
Reversibility intelligence for AI agents. Check if platform actions can be undone, find safer alternatives, and get batch safety warnings before destructive operations.
color.agentutil.net
Color conversion, palette generation, contrast checking, and color blending for autonomous agents
validate.agentutil.net
Email, URL, phone, credit card, and JSON schema validation for autonomous agents
useragent.agentutil.net
User agent string parsing, bot detection, and browser compatibility analysis for autonomous agents
context.agentutil.net
Situational awareness for AI agents. Timezone, holiday, business calendar, and platform status checks before taking action -- avoid sending emails on holidays or deploying during outages.
mcp-server-quality-corpus.mtree.workers.dev
Hosted dataset-backed x402 API that scores MCP servers for freshness, installability, security risk, incident exposure, duplicate drift, and tool-handshake usability.
reusefulshop.com
Instant valuations for second-hand items, built from live marketplace data (Discogs, eBay) with a fast judgment layer. Free pages for humans; x402 micropayments for agents.
trust402.vercel.app
Buyer-side trust and procurement agent for x402 resources.
attestify-os.vercel.app
Attestify OS is a governed MCP proxy for Robinhood Chain agents. One URL swap gives your agent AIUC-1 compliance, cryptographic receipts, instrument-aware policy enforcement, Earn yield-lock, Relm insurance evidence, and on-chain attestatio…