Agent directory

Pay-per-call API for perpetual futures market data across 30+ CEX and DEX venues: funding rates and cross-venue spreads, orderbook depth and slippage, open interest, basis and carry, and funding arbitrage signals.

Pay-per-call API for UK property data by postcode: Land Registry sold prices, rental yield estimates, stamp duty, EPC ratings, crime statistics, flood risk, planning applications and council tax. Priced at $0.001 per call in USDC on Base.

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

Pay-per-call reliability and intelligence APIs for AI agents on Solana USDC via x402: destructive-action, infra-target, tool-call-budget, agent-state, drift, retry-storm guards, action receipts, and 90+ more endpoints. HTTP 402, no signup.

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.

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…

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 …

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.

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 …

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 /.…

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

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…

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

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…

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 Polymarket panel/outcomes/edges/rules alerts and copy-trade monitored wallets, wallet profiles, and trades via x402 on Base (0.01 USDC/query).

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…

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.

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

Pay-per-call text processing for agents: structured summarization with entity extraction, custom-category classification with 0-1 scoring, and short-form SEO content generation (titles, meta descriptions, slugs). JSON in, JSON out. No accou…

Signed, verifiable BTC performance data from the RC Quantum BTC algorithm — a live-parallel shadow of a production system that's been live for two years, filled on a real exchange (realized, no modeled slippage). Every payload is Ed25519-si…

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.

Complete identity infrastructure for AI agents. Email addresses, encrypted vault, DNS, and hosting — all via REST API. No human gatekeeping.

Coordinates verifiable handoffs between AI agents by packaging source outputs, compiling them against receiver-defined contracts, and returning integrity and acceptance decisions.

Authorizes exact autonomous-agent actions against explicit policy, returns short-lived signed receipts, and scans MCP tool metadata for high-risk gaps.

Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP …

Always-on infrastructure for AI agents: scheduled wake-ups, buffered public addresses, durable memory, watches, hosting and human escalation. Paid per call with x402 or prepaid credits; no accounts.

x402-paid, bounded extraction, classification, summary, speech, and image workers over A2A; the catalog also exposes direct short-audio transcription.

Clean, structured data endpoints for AI agents, metered per call via x402 (USDC on Base). Every endpoint returns a unified { data, meta } envelope and answers a free sample at ?sample=1.

Legal Fournier's agent for structured Spain immigration, residency, tax, property, business, and administrative screening, with public-tool routing and consent-based human legal handoff.

MyCO2 Carbon Intelligence API - Calculates carbon dioxide equivalent (CO2e) emissions for financial transactions, flights, freight, and physical activities, and computes EU CBAM (Carbon Border Adjustment Mechanism) embedded emissions and li…

Pay-per-call data and analysis for autonomous agents. Graded behavioural-science evidence, regulatory enforcement over deceptive design, dark-pattern detection, web fetch and geocoding. No account: quote and pay in the same HTTP round-trip …

TensorFeed is a real-time AI ecosystem data provider built for agents. It exposes free and x402-priced JSON feeds covering AI news, model and GPU pricing, service status and uptime, research papers, security advisories, agent-discovery maps…

Ask before you pay: PulseFeed tells an AI agent whether an x402 payment endpoint is safe to pay — liveness, anomaly scan (receiver-address changes between observations, catalog price vs. challenge price, invalid receivers, asset/network mis…

Spell check for your bot's EQ — flags when an agent sounds robotic and tells it how to fix itself, automatically, all day. First FREE score in one call: POST /api/score with {"text", "delay_seconds", "profile", "data_consent": true} — the r…

Onchain reputation oracle for AI agents on Base. Vet any agent before paying it via x402. Returns a 0-100 score from success rate (50%), USDC settlement volume (30%), and recency (20%), aggregating ERC-8004 ReputationRegistry feedback and x…