Skip to content

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.

protocol All A2A only Paid APIs Domain verified Has on-chain inflow
category All Data 335 AI 127 Finance 85 Verification 60 Blockchain 57 Other 22 Content 18 Search 14 Web 12 Compute 12 Infrastructure 10 Inference 9
sort Quality Revenue (30d) Recently updated Name
Showing 361–396 of 3,523
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 + domain-verified agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
MadeOnSol madeonsol.com
85%

MadeOnSol delivers real-time Solana memecoin intelligence via x402 micropayments — pay per request in USDC on Solana, no API keys or subscriptions. Endpoints cover a live KOL wallet trade feed (1,000+ tracked wallets), KOL convergence/c…

paid API data x402
$0.06 · 30d 8 tx
Sovereign Execution Engine api.zuluworksai.com
85%

15 production-ready x402 execution primitives (USDC on Base). Workers: cross-chain routing, browser automation, EU AI Act + DSA + MiCA compliance audit, web search (Bing RSS), page extraction, DNS/SSL audit, KV storage, R2 storage. CF: LLM,…

paid API live ai x402
from $0.00
CryptoPulse Data API cryptopulse.saascloud.ai
85%

Pay-per-call crypto market intelligence for AI agents on Base mainnet (x402 v2, USDC). Spot prices, trending coins, Fear & Greed index, gas prices, OHLC candles, DEX pair liquidity/volume, ERC-20 rug-pull/honeypot risk checks, and top DeFi …

paid API data x402
$0.15 · 30d 4 tx
find-my-json find-my-json.com
85%

JSON utility API — shape, get, pluck, validate, repair, batch. 7 endpoints at $0.001-$0.01 each. USDC on Base via x402.

paid API data x402
$0.03 · 30d 16 tx
DataForAgents dataforagents.net
85%

Pay-per-request JSON datasets for autonomous agents via x402 (USDC on Base). Steam catalog search/insights, FIFA World Cup 2026 player data, and news Alpha/Shift pulses. No API keys — unpaid calls return HTTP 402.

paid API data x402
$0.04 · 30d 1 tx
Runbot Strategy Copilot mcp.runbot.io
85%

StratForge: build + AI-optimize + export a crypto trading strategy in ONE paid x402 call. Tiers by optimizer depth - Flash 2min $2.99, Deep 15min $8.99, Ultra 60min $24.99. Perp futures (OKX Top-20) and Polymarket Up&Down. Paper now, live s…

paid API finance x402
from $0.25
Deepnets API api.deepnets.ai
85%

Solana on-chain analysis API: token safety scoring, holder breakdowns, wallet funding-network graphs, social research, trending feed and watchlist. Paid per call in USDC on Solana via x402.

paid API offline blockchain x402
$10.00 · 30d 496 tx
Atelier AI Agent Marketplace api.useatelier.ai
85%

x402 marketplace of services delivered by AI agents: hire an agent by sending a brief and pay per call in USDC on Base or Solana. Exposed endpoints cover image generation, competitive intelligence reports and quiz generation.

paid API ai x402
$0.00 · 30d 1 tx
Agent Utility Shop api.ikoles.dev
85%

Paid x402 APIs and downloadable toolkits for autonomous agents, procurement, engineering data, structured-data QA, clinical research and sourced analysis.

paid API data x402
$0.05 · 30d 1 tx
Melchior Video Context transcript.melchiorlabs.com
85%

Pay-per-request YouTube transcripts, cited evidence search, and context chunks for autonomous agents. Structured JSON, timestamp citations, Base and Solana USDC via x402, no API key.

paid API data x402
from $0.00
PreTestAds pretestads.com
85%

Ad pre-testing for AI agents: POST a video or image ad and get a predicted second-by-second attention score benchmarked against 76 top TikTok Creative Center ads (0–100 percentile, hook strength, attention drop, peak moment). $5.00 USDC per…

paid API ai x402
$6.30 · 30d 2 tx
Graded x402 Gateway gateway.leeworks.dev
85%

One MCP endpoint to discover quality-graded x402 services (A-F agent-usability grades, ranked by real 30-day demand) and call them pay-per-use with prepaid credits. The gateway fronts every upstream USDC payment from its own wallet; agents …

paid API other x402
$0.12 · 30d 2 tx
agentmail agentmail.leeworks.dev
85%

Agent email on Base USDC: pay 0.02 to mint a disposable inbox on our own domain, then read/search received mail with verification codes and magic links auto-extracted. Self-hosted catch-all, no KYC. x402 v2, settles via PayAI.

paid API other x402
$0.12 · 30d 2 tx
Circadian circadian-agent.com
85%

Pay-per-call web data APIs run by a disclosed autonomous AI agent business. extract turns any public URL into clean Markdown plus metadata for $0.01; meta returns OpenGraph, JSON-LD, feeds and canonical data as one JSON for $0.005; brief or…

paid API data x402
$57.06 · 30d 3 tx
chainfeed chainfeed.leeworks.dev
85%

Composable crypto/DeFi data for agents: gas, Hyperliquid funding+OI, DeFi yields, prices, Polymarket odds in one paid call, plus deterministic derived facts (liquidation price, net funding cost, net APY). x402 v2 exact on Base, settles via …

paid API data x402
$0.12 · 30d 2 tx
Azimuth azimuth.day
85%

Radio-frequency positioning DePIN for AI agents: pay-per-call location APIs (estimate a position from cellular observations) plus receiver-node registration and status. USDC on Solana and Base, x402 v2, with machine-readable discovery at /.…

paid API data x402
from $0.00
Recompete Radar recompete.melchiorlabs.com
85%

Pay-per-call federal contract award expiration evidence for research agents, sourced from official USAspending records with source links and deterministic receipts.

paid API data x402
from $0.03
Losbeto — Cross-Asset Market Intelligence api.losbeto.xyz
85%

Cross-asset market intelligence for AI agents: FX rates (EUR/USD, GBP/USD, USD/JPY), equity quotes (AAPL, TSLA, NVDA), commodity prices (gold, silver, WTI, Brent), macro calendar (FOMC, NFP, CPI, ECB) and crypto data (Pyth oracle prices, fe…

paid API offline finance x402
$130.90 · 30d 1,784 tx
Package Evidence packages.melchiorlabs.com
85%

Deterministic npm registry evidence for coding agents: dependency maps, integrity, provenance, factual metadata flags, and stable digests over x402.

paid API data x402
from $0.00
SignalBrew api.signalbrew.io
85%

Pay-per-call cryptocurrency technical analysis: 24 indicators, 22 candlestick patterns, aggregated buy/sell summary ratings and live tickers, computed from live-synced Binance, Coinbase, Bitget, KuCoin and OKX candles across 15 intervals. F…

paid API finance x402
from $0.01
Transcribe — audio to transcript, subtitles and a cut list transcribe.soboljem.cz
85%

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…

paid API ai x402
$0.02 · 30d 2 tx
Bounty Truth API happybirthday.digitalshop.xin
85%

Deterministic preflight risk checks for public GitHub bounty issues. Uses live issue, repository, maintainer, and competing pull-request evidence to return a verdict, risk score, signals, and source freshness. x402 v2, $0.001 USDC on Base, …

paid API verification x402
$0.00 · 30d 1 tx
Cloud World Model www.cloudworldmodel.ai
85%

Multi-cloud infrastructure simulation API with native x402 pay-per-request support — no signup required. Lets developers, architects, and AI agents model AWS, GCP, Azure, OCI, and DigitalOcean deployments without provisioning real resources…

paid API compute x402
$0.01 · 30d 1 tx
apix402 — Onchain Verified Data api402x.com
85%

Onchain governance, treasury and risk data for agents, read from the contracts rather than mirrored from a dashboard. DAO proposals cross-checked between Snapshot and each DAO's own Governor contract; whether a known proposal actually execu…

paid API blockchain x402
BentCrypto api.bentcrypto.com
85%

Solana pre-trade token intelligence APIs for AI agents and automated applications, providing token risk scoring and authority/Token-2022 security analysis through x402 USDC micropayments.

paid API blockchain x402
$0.01 · 30d 1 tx
zlv402 zlv402.wreckbots.io
85%

Deterministic Solana token security risk scanner for AI agents — analyzes liquidity, LP lock, holder concentration, and mint/freeze authority to flag rug-pull risk before you trade

paid API ai x402
$0.01 · 30d 6 tx
ACODA acoda.xyz
85%

Measured liquidation intelligence for AI trading agents: real exchange-reported liquidation levels from live Hyperliquid positions, plus observed CEX liquidation events across Binance, OKX, Bybit, BitMEX, Gate and HTX. Pay-per-call JSON ove…

paid API data x402
$0.30 · 30d 3 tx
API Zavod it.finlandfoxvpn.shop
85%

Pay-per-request utility API for AI agents. 15 x402 endpoints for DNS, RDAP/WHOIS, SSL/TLS, HTTP status, redirects, website metadata, OpenGraph, Schema.org JSON-LD, robots.txt, sitemap, reverse DNS and domain resolution. No signup or API key…

paid API data x402
from $0.00
Premium Rewards data GETs api.premiumrewards.vip
85%

Six x402 GETs on Base USDC. Spot FX $0.01: one ECB reference conversion (informational only, not for transaction use; same rates free at https://www.ecb.europa.eu; not sold or endorsed by the ECB). One Sense $0.02: first Wiktionary sense (C…

paid API data x402
$0.03 · 30d 3 tx
franklin1.tail7a0ba4.ts.net franklin1.tail7a0ba4.ts.net
85%

Perp funding rates across Binance/Bybit/Hyperliquid, normalized to 8h-equivalent, plus cross-exchange divergence (annualized bps, top20 arbitrage signal). GET /funding-rates or /funding-rates?symbol=BTC → JSON. Free-source, 60s cache.

paid API x402
from $0.00
EmblemAI emblemvault.ai
80%

EmblemAI is open-source crypto infrastructure for both end users and AI agents. 200+ tools across 7 blockchains (Solana, Ethereum, Base, BSC, Polygon, Hedera, Bitcoin) for swaps, DeFi, NFTs, cross-chain bridges, and market intelligence; con…

paid API offline x402
$0.16 · 30d 2 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 x402
from $0.01
api.the402.ai api.the402.ai
80%

Marketplace API where AI agents discover listed services and pay for them in USDC on Base, via x402 or a pre-funded balance. Covers participant registration, job postings and bids, escrow held work, subscriptions and provider payouts. The s…

paid API ai x402
from $0.01
www.hibra.app www.hibra.app
80%

Executes token swaps on Base, routing across multiple DEXes including Uniswap, Aerodrome and SushiSwap. Charges 0.1 USDC per approved transaction.

paid API finance x402
from $0.10
nolawealthfinancial.com nolawealthfinancial.com
80%

Signed x402 verification and screening primitives: claim notarization, resolver-graded verdicts, OFAC SDN screening, and validated corporate distress scoring, backed by an on-chain correctness bond.

paid API offline verification x402
from $0.10
copperhead.lonestaroracle.xyz copperhead.lonestaroracle.xyz
80%

Security audit for Move smart contracts on Aptos and Sui. Post Move source or a GitHub URL and get back a structured report with findings graded by severity.

paid API offline verification x402
$10.10 · 30d 113 tx