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?
news-x402.com
AI-friendly JSON API for global news intelligence built on GDELT. Provides recent news, sentiment, geographic distribution, translingual coverage, and entity graph endpoints via x402 payments on Base USDC.
tradeos.tech
Plain read-only crypto intelligence APIs for agents, dashboards, screeners, and research workflows.
www.liquidpad.site
Pay-per-request LiquidPad endpoints. Verify whether a token was deployed via LiquidPad (ERC-8004 anchored), get full agent provenance with fee split, or read the full agents registry snapshot.
api.dynsuplabs.com
Normalized state Department of Insurance bulletins and NAIC Model Law 668 adoption feed. Micropayment-gated REST API via x402 protocol. Supports Polygon (eip155:137) and Arbitrum (eip155:42161) chains with USDC payments. Pricing: $0.001/req…
app.popadex.com
Read-only personal finance reference-data and calculation API for AI agents: tax estimates, disposable-income comparisons, sub-central tax rates, and social-security contribution data.
api.greenwood.financial
Real-time SEC EDGAR insider trading signals, congressional STOCK Act disclosures, FEC political contribution monitoring, and compound signals — cross-referenced and scored. Pay per query via x402 on Base mainnet. No subscriptions, no API ke…
jeeves.originaltorrent.com
Pay-per-call DeepSeek chat API via x402 micropayments. No signup, no API keys -- just a USDC wallet on Base. Full chat completions endpoint compatible with any x402 client.
txdecode.com
Decode any confirmed Base (mainnet) transaction into a human-readable action plus normalized asset movements (token, amount, USD value). Pay-per-call via x402 — $0.005 USDC, no signup, no API key.
data.crestsystems.ai
Counterparty intelligence for the agent economy. Profile any x402 buyer or Base/EVM wallet before you transact: whale score, behavioral cluster, x402 spend graph, top services, and risk level. Plus on-chain and crypto market data (prices, g…
a2a.sntl.site
Pay-per-query intelligence over the Helium DePIN network, settled on Solana. A datalake half a million records deep and growing — over a year of on-chain history, AI-enhanced and classified: threat heuristics, anomaly detection, yield-loss …
mcp.vigil.codes
Keyless onchain security scanner for Base. 14 MCP tools incl honeypot detection, liquidity lock, approval simulation, and a 6-source consensus verdict. Free core checks; premium tools via x402 USDC on Base.
aeo.agentlair.dev
Answer Engine Optimization audit — scores any website visibility in AI assistants (ChatGPT, Claude, Perplexity, Gemini). Returns structured JSON with score 0-100, grade A-F, section breakdowns, issues, and actionable recommendations. Checks…
api.100levelup.com
External governance layer for agent systems by Levels Of Self. Pay-per-call over x402: audit-chain verification, MCP config audit, legal-prep, bookkeeping. USDC on Base, no signup.
api.newsmesh.co
Real-time news API for AI agents. Search and filter articles from thousands of global sources.
forge.parabellum.tech
Pay-per-job GPU compute API. gpu.probe returns a live nvidia-smi GPU inventory ($0.01); llm.generate runs llama3.1:8b text generation ($0.05). USDC via x402 on Base and Polygon; accepts both standard signed-authorization payments (X-PAYMENT…
agents.tunelo.co.za
South African x402 micropayment APIs on Polygon: a live government tender feed ($0.02 USDC/call) and a SARS crypto-tax estimate ($0.005 USDC/call). Pay-per-call in USDC, no signup, built with @x402/express v2.
api.relayshield.net
Threat intelligence and identity-risk API: breach exposure, infostealer log detection, SIM-swap and session-hijack checks, ransomware victim lookup, and AI-agent-specific security checks (malicious MCP server detection, prompt-injection bre…
mugenradio.com
Independent AI-run internet radio (24/7 lofi/ambient, publicly declared AI-generated, survival-mode budget shown live on mugenradio.com/status.html). Sells 44.1kHz WAV studio masters of released singles via x402 micropayments in USDC on Bas…
discovery.suedeai.ai
AI music and video generation agent selling fixed-price, pay-per-request media jobs via x402 and Virtuals ACP on Base. Original music generation, general video generation, and product showcase video.
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,…
api.mindprotocol.xyz
Paid Solana data cards for autonomous agents: price signals, wallet market intelligence, and risk scoring over x402 v2 and USDC.
timezone-toolkit.agishub.com
Timezone converter, world clock, DST-aware date math and meeting scheduler for AI agents. Pay-per-call x402 endpoints (USDC on Base) covering timezone conversion, world clock / now-in-city, city or country to IANA timezone lookup, UTC offse…
meshpilot.cc
Text or image to production-ready 3D models (GLB, PBR textures, up to 1M triangles) in one API call. Built for AI agents: x402 USDC on Solana, settle-upfront with automatic refund on failure. Also auto-rigs models (skeleton + skinning) and …
fry.farm
15 pay-per-call USDC endpoints on Algorand mainnet: DeFi/DePIN data feeds plus non-custodial transaction builders (staking, LP farming, NFT mint, P2P offers). Builders return unsigned atomic groups - agents sign with their own wallet and su…
api.solnodelabs.com
Pseudonymous pay-per-call crypto risk intelligence: deterministic Solidity triage, Base token risk screening, and vetted crypto bounty intelligence. USDC via x402 on Base and Solana; no account or API key.
sippar.network
Canonical token market data for a ticker: price, market cap, FDV, liquidity, 24h change and volume with buy/sell split and netflow, launch date, on-chain total supply (Nansen token-screener plus on-chain reads; response includes the require…
ip402.xyz
Paid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.
twit.use.x402atlas.com
Unofficial third-party bridge to X (Twitter) advanced search. One GET /search endpoint takes structured filters or raw X search syntax and returns up to 20 tweets per page as JSON, with author profile, engagement metrics and a pagination cu…
acp-x402.virtuals.io
Agent Commerce Protocol (ACP) x402 endpoint by Virtuals Protocol on Base. GET /acp-budget serves ACP budget data behind an HTTP 402 paywall.
x402.anyspend.com
x402 purchase endpoints from AnySpend on Base. POST /ads/buy and POST /articles/buy let agents pay per ad or article purchase in USDC.
x402.holoworld.com
Holoworld x402 mint endpoint on Solana. GET /api/mint mints the $FIGHT Pass for 50 USDC per request.
ainalyst-api.xyz
Paid HTTP 402 endpoint on Base from ainalyst-api.xyz. GET /click returns a response behind an x402 paywall.
vibes-coded.com
Pay-per-call JSON Outcome APIs for AI agents via HTTP 402 (x402 USDC). Solana primary; Base ExactEvm (eip155:8453) with USDC EIP-712 extra.name/version. ~172 hosted endpoints: impulse reads, spend/reliability guards, signed receipts. No sig…
api.pogo-tb.nl
Dutch open-government data for AI agents via x402 on Base USDC: RDW vehicle records (incl. fuel type + CO2 emissions + APK inspection risk), BAG address and building lookups, OV public-transport departures, postcode search, reverse geocodin…
api.solprobe.xyz
On-chain intelligence for Solana traders and agents, priced per call over x402. Token risk scans and safety grades, trending and smart-money discovery, wallet intel, launch and graduation radar, exit and cross-chain exit checks, news signal…
fortyeight-rescue.jaeber2se.chatgpt.site
Source-verified developer bounty discovery, due-diligence briefs, and 30-day private GitHub alert feeds paid per call with x402 USDC on Base.