Agent directory

330 production x402 API services for AI agents covering web/data processing, validation, AI utilities, blockchain/crypto utilities and related machine-callable capabilities.

Pay-per-call primitives for AI agents, .01 USDC per call on Base via x402, no API key or account. Wallet & token risk screening (OFAC sanctions, scam/phishing lists, honeypot/tax/mint signals, PROCEED|CAUTION|BLOCK verdict), mutable-token-r…

Podcast intelligence for AI agents: transcripts and semantic search across episodes, guests and appearances, chart rankings, advertising and sponsor analytics, political-bias and brand-suitability analytics, plus companies, people and topic…

Buy Sepolia and Hoodi testnet ETH with Base or Solana mainnet USDC through x402. Intended for wallet, smart contract, validator, and AI agent testing. Testnet ETH has no monetary value.

Deterministic utility APIs paid per request with x402 on Base.

nsgoods, the verifiable trust layer for AI agents. Two products on one host: signed OFAC sanctions + malicious-address screening for any EVM or Solana address (deny/review/clean verdict), and cross-chain ERC-8004 reputation/trust scores (0-…

A toolbox of x402 payment-protocol mechanics: 25 small real endpoints on Base mainnet USDC, each demonstrating a distinct pattern -- oracle attestation, escrow, auction, prediction market, deferred invoicing, subscription reminders, insured…

Retire tokenized carbon credits on Base via Klima Protocol and the Carbonmark marketplace. Discover and quote live carbon supply, build or relay a USDC-paid retirement, and get the public Carbonmark certificate. GET /api/catalog ($0.001 USD…

Checks invoices against purchase details and returns evidence, discrepancies, and review signals through paid Base USDC x402 calls.

x402 MCP tools on Base. Paid calls return HTTP 402 with an accepts payload. Not a carbon credit, BNG unit, or investment.

Diagnoses why an x402 endpoint isn't indexed in the CDP Bazaar: checks the 402 response, the Bazaar declaration and CDP's live index status. Paid mode also makes one real test payment (routes priced up to $0.05) so CDP has a settlement to i…

English catalogue narration, transcription and authorised private voice cloning for agents. Seven ready voices with free samples: 0.005 USDC per MP3 up to 1,000 characters, no account required. Transcription: 60 seconds for 0.01 USDC. Revie…

Pay-per-call utilities: text classification, sentiment, keywords, outline and rewrite, plus IP, network, time, UUID, random and status helpers.

Pre-send risk check for AI agents on Base. POST an EVM address, get a safe/caution/danger verdict before sending funds. Signals: OFAC sanctions, scam and exploit lists, live address-poisoning detection (lookalike and fake-token scammers), c…

Machine-readable deterministic utilities for evidence verification, schema validation, and cryptographic hashing, purchasable via x402 v2 on Base using USDC.

Pay-per-call APIs for AI agents over x402 v2 on Base USDC (Coinbase CDP facilitator): crypto market pulse, technical signals, DeFi yields, wallet portfolio, gas and funding rates, plus web fetch-to-markdown, SSRF-safe HTTP proxy, and URL/HT…

Pay-per-call JSON over x402 (USDC on Base or Solana, Coinbase CDP facilitator). Public records: SEC EDGAR (companies, filings, financials), OFAC sanctions, NVD CVEs, openFDA, FRED and ECB macro, USPTO patents, CourtListener, company registe…

pay-per-call API for AI agents — data feeds and curated skill bundles, paid in USDC on Base mainnet. Endpoints: /report ($0.01 connectivity check), /intel, /trending-topics, /new-muses, /skill-drops, /check, /mentions, /skill-bundle ($0.05 …

Humanless agent microservices marketplace. Pay-per-call USDC on Base via x402. Native skills include token count, URL normalize, JSON flatten/validate, text diff, HTML clean, keyword extract, AI detector, OSINT graph, SEO, and deep research…

Pay-per-call services for agents over x402 (USDC on Base or Solana, no API key): annual SEC financial facts by CIK with filing links, CSV validation against typed column rules, citation source-overlap checks, and static web page text extrac…

Commercial wine market data API for AI agents. Provides current wine prices, historical price trends, investment analytics, winery and producer discovery, Italian wine regions, DOC/DOCG denominations, sommelier intelligence, tasting profile…

Third-party wrapper of the Jev (System One) model by TypeSafe: send a state plus typed questions and get calibrated probabilities and confidence for each.

Straelo Relay provides machine-consumable web research, search, structured evidence, content extraction, domain intelligence, email validation, and read-only blockchain data services for AI agents. All paid endpoints use x402 payments on Ba…

MACH Base — 17 live Base mainnet data capabilities for autonomous agents, paid per call in USDC over x402 v2; no account, API key or subscription.

3 APIs brasileiras pagas via x402 (Base mainnet, USDC): verificação de CNPJ (situação cadastral e Simples Nacional), validação de CEP/endereço, e taxas oficiais do Banco Central (Selic, CDI, dólar comercial) — dado público brasileiro agrega…

Event, artist, and conference-week data. Pay per call with x402 (USDC on Base, $0.005) or use an API key. MCP is at /functions/v1/mcp-server/mcp.

Wicked Registry runs real synthetic checks against x402 and MCP tools and publishes live uptime, latency, and schema-conformance scores. It doesn't compete with other directories — it scores the tools already listed there, so agents know wh…

Pay-per-call aesthetic-medicine data over x402 (USDC on Base). /x402/brands: brand directory, partially verified, 0.001 USDC per call. /x402/regulatory/eu/devices: aesthetic-medicine subset of the public EUDAMED UDI-DI list, 14,266 EU devic…

Cited clinical calculators and medical code lookup (ICD-10-CM, RxNorm, LOINC) for agents. Pay-per-request via x402 V2 (USDC on Base). Deterministic published formulas with citations. Not a medical device. Docs: https://magentlab.com/docs MC…

Pre-send address verification for stablecoin withdrawals: one paid POST /check ($0.01) parses address + token contract, probes live RPCs and exchanges, and returns a warn-level verdict before you send USDC. POST /deep ($0.05) adds extended …

JavaScript-rendered pages and upstream x402 toll pass-through: url2md drives a headless browser when a page needs one, and when the page itself charges an x402 toll it quotes toll + 25%, settles your payment first, then pays the origin from…

Seller-quality reports for the x402 economy, built from real paid test purchases — price accuracy vs multi-exchange consensus, provenance consistency, latency, and receipt behavior. Not self-reported, not scraped: bought and measured. GET /…

Parallel Solana risk advisor aggregator for AI agents. Free own-rule HTTP trial: GET /v1/trial/token-risk/{mint}, default 10 calls/minute per temporary connection identity; results cached up to 120s. No signup, API key or advisor payments i…

Pay-per-call text/extract/research helpers for agents. No API key. Summarize/classify glue, structured JSON extract from public text/URLs, and cited research briefs. USDC on Base via x402.

AI YouTube thumbnails from GPT Image, Nano Banana, FLUX, Seedream, Ideogram and Grok side by side. Pay per call in USDC on Base; charged only when every image succeeds.

Crypto research and market intelligence for traders, investors and AI agents. Is a token's hype real or bot-driven? Which whale wallets are accumulating, and which are moving onto exchanges to sell? Which altcoins have social momentum befor…