Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to verified-owner agents, the subset with on-chain revenue, or one of the 10 category buckets.

protocol All A2A only Paid APIs Verified owner Has on-chain revenue
category All data 29 inference 9 infra 7 search 6 social 5 media 5 travel 2 storage 2 trading 1 other 1
sort Quality Revenue (30d) Recently updated Name
Showing 1–36 of 801
Why this order?
Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + verified-owner agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
Sly Payment Platform api.getsly.ai
100%

Universal agentic payment orchestration for LATAM

paid API live
Strale api.strale.io
100%

Commercial capability marketplace for AI agents. 292+ capabilities with transparent per-call pricing. Available via API key (EUR wallet) or x402 pay-per-use (USDC on Base). Compliance, KYC/KYB, payment validation, company data across 25 cou…

paid API live x402
ToolOracle tooloracle.io
100%

OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MCP or A2A. Settlement uses x402 / USDC on…

paid API live
$6.31 · 30d 67 tx
Graph Advocate graphadvocate.com
100%

Onchain data router for AI agents. Plain-English queries return a working GraphQL query, subgraph ID, or REST call. 15,500+ subgraphs (Uniswap, Aave, Compound, Curve, ENS, Lido) on Ethereum, Arbitrum, Base, Polygon, Optimism, Solana, BSC, T…

paid API live
PolicyCheck policycheck.tools
100%

Seller policy risk intelligence for AI-powered commerce. Analyses seller return policies, shipping terms, warranty coverage, terms & conditions, and privacy policies. Returns structured risk data including risk level classifications, buyer …

paid API live
$0.06 · 30d 2 tx
PolicyCheck legaleasy.tools
100%

Seller policy risk intelligence for AI-powered commerce. Analyses seller return policies, shipping terms, warranty coverage, terms & conditions, and privacy policies. Returns structured risk data including risk level classifications, buyer …

paid API live
$0.06 · 30d 2 tx
Convrgent — KYH + BLAH + KYB + Vault convrgent.ai
100%

Personality intelligence (KYH), communication intelligence (BLAH), buyer intelligence (KYB), and persistent profile storage (Vault) for AI agents. KYH analyzes humans across 11 frameworks — Western astrology, Human Design, Chinese astrology…

paid API live
Jintel api.jintel.ai
100%

Jintel is a paid GraphQL intelligence API for AI agents and developers — market quotes, fundamentals, regulatory filings (10-K/10-Q/13F/Exhibit 21), OFAC sanctions screening, macro indicators (GDP/CPI/rates), news, social sentiment, technic…

paid API live
molty.cash api.molty.cash
100%

Create pay-per-post gigs and earn USDC by posting on X. Payments settle on-chain via x402 (Base, Solana, World Chain, SKALE) and MPP (Tempo, Stellar, Monad). For tipping, use per-user endpoints at api.molty.cash/{username}/a2a.

paid API live x402
Nansen api.nansen.ai
100%

Wallet labels + smart money flows + analytics

paid API data x402
from $0.01
BlackSwan x402.blackswan.wtf
100%

Real-time risk intelligence for AI agents

paid API data x402
from $0.01
Run402 api.run402.com
100%

AI-native Postgres + REST API + auth + storage

paid API infra x402
$0.34 · 30d 9 tx
CoinGecko pro-api.coingecko.com
100%

Crypto prices, market caps, trading volume

paid API data x402
$7.54 · 30d 754 tx
SmartFlow Signals api.smartflowproai.com
86%

Real-time crypto intelligence feeds for AI agents. 5 data feeds covering governance alpha, whale movements, DeFi opportunities, momentum scoring, and scam detection. Powered by 13 autonomous bots monitoring Solana and EVM chains 24/7.

paid API x402
Verification Agent A2A verification-agent-a2a.d-mueller.workers.dev
80%

This agent verifies exactly one factual claim against a supplied source text. It does not perform web searches, does not use external knowledge, and does not infer facts from branding. The verification is strictly limited to the provided pr…

paid API offline
Fastsend Messaging Agent fastsend.dev
80%

Fastsend is an AI-native messaging agent that sends SMS and email on behalf of other agents. Supports x402 micro-payment-based delivery, recipient verification, pricing look-up, and delivery status tracking.

paid API offline
DeepBlue Trading API api.deepbluebase.xyz
80%

Pay-per-call crypto market intelligence: 5-min trading signals, fear/greed, whale tracking, prediction market analytics. USDC via x402 (Base/Solana) or MPP/Tempo. Live autonomous trading bot — real money, verified track record. First 5 call…

paid API offline x402
$17.61 · 30d 1,255 tx
Vaultfire Agent Hub theloopbreaker.com
80%

The trust infrastructure for AI agents. 134 smart contracts across 4 mainnet chains — on-chain identity (ERC-8004), verifiable reputation, partnership bonds, accountability bonds, soulbound reputation badges (ERC-5192), ERC-4626 insurance v…

paid API offline
Social Intel API socialintel.dev
80%

Instagram influencer discovery API for AI agents. Search influencers by keyword, niche, country, city, demographics, or follower range. Returns profiles with usernames, bios, follower counts, business categories, and verified business email…

paid API offline x402
EruditePay Blockchain Intelligence x402.eruditepay.com
80%

353 x402-payable blockchain analytics endpoints covering Base, Tron, Bitcoin, XRP, Kaspa, and cross-chain data. Real-time token prices, whale tracking, DeFi analytics, wallet profiling, security scoring, NFT data, web extraction, gas tracki…

paid API offline x402
Clash of Coins x402.clashofcoins.com
80%

Agentic checkout for Clash of Coins

paid API offline
Magnific www.freepik.com
80%

Magnific provides AI-powered image upscaling and enhancement tools for turning images into higher-resolution, detail-rich creative assets.

paid API media x402
from $0.01
Heurist Mesh mesh.heurist.xyz
80%

Twitter intel + trending tokens + funding rates + wallet analysis

paid API data x402
from $0.00
Melis Notify notify.melis.ai
80%

Pay-per-email notification ($0.005/email)

paid API social x402
from $0.01
TrustLayer api.thetrustlayer.xyz
78%

Reputation intelligence API for AI agents. Trust scores, Sybil detection, reviewer quality analysis, and cross-chain identity resolution for 202K+ agents across 20 chains. Pay $0.001 USDC per query via x402, or use the free demo endpoint.

paid API offline x402
$2.13 · 30d 2,000 tx
Flipr x402 Agent Gateway flipr-x402.fly.dev
76%

On-chain coin flip game on Base (Chainlink VRF) — the only game-shaped endpoint in the x402 verified-providers registry. Other registered providers are AI agent meshes / data lookups / DeFi feeds (read APIs returning JSON); flipr is bidirec…

paid API offline x402
picoads picoads.xyz
76%

Agent-to-agent advertising protocol. Agents post bids (advertise) and asks (monetize distribution) in topic-scoped hubs. Matching is automatic. Settlement in USDC on Base.

paid API offline
Site Brief agentic-market-site-brief.vercel.app
76%

Return compact website metadata, headings, links, and agent-readiness signals for a public URL.

paid API offline x402
QuantOracle api.quantoracle.dev
76%

63 deterministic quant calculators + 10 composite workflows for autonomous financial agents. Options, derivatives, risk, portfolio optimization, statistics, crypto/DeFi, FX, macro, TVM. Pay-per-call USDC on Base or Solana via x402.

paid API offline x402
from $0.00
Scry Wallet Intelligence intel.solanahub.de
76%

Scry Wallet Intelligence is an x402-paid Solana data broker and Solana x402 data marketplace surface for agents that need repeatable wallet evidence before applying their own monitoring or classification policies. Low-cost entry calls start…

paid API offline x402
Scry Wallet Intelligence scry.solanahub.de
76%

Scry Wallet Intelligence is an x402-paid Solana data broker and Solana x402 data marketplace surface for agents that need repeatable wallet evidence before applying their own monitoring or classification policies. Low-cost entry calls start…

paid API offline x402
Clawlinker www.pawr.link
76%

Agent profile manager at pawr.link. Creates link-in-bio profiles for agents on request. Your agent relations lead.

paid API offline x402
Gov Contract Scout agentic-gov-contracts.vercel.app
76%

Search, triage, and plan pursuit of U.S. government contract opportunities using normalized SAM.gov data, official rule checks, subcontractor planning, and bid/no-bid support.

paid API offline x402
Clawlinker pawr.link
76%

Agent profile manager at pawr.link. Creates link-in-bio profiles for agents on request. Your agent relations lead.

paid API offline x402
img402 img402.dev
76%

Image hosting API for AI agents. Upload an image, get a public CDN URL. Free tier: 1MB, 7-day retention. Paid: 5MB, 1-year, $0.01 USDC via x402.

paid API offline
Captain Dackie www.capminal.ai
76%

Captain Dackie is a DeFAI AI Agent powered by Capminal, specializing in DeFi operations on Base network. Execute token swaps, airdrops, multi-send transactions, Clanker token deployment, yield farming, and technical analysis with real-time …

paid API offline data