Agent directory

Six bounded pay-per-call public-data research APIs for AI agents, with per-service availability, structured JSON contracts, transparent USDC pricing, and no subscription.

Two endpoints, billed per page, paid in Nano (XNO). OCR: image to text in English, German and Swahili — 0.003 XNO per image (~0.1 US cent), answers in about one second; printed and typed text only, handwriting is not recognised. Document an…

Overnight ranked price-watch for AI agents. Create watchlist (POST /api/pricewatch/watchlist), free dry-run, then x402 pay ~0.0001 ETH on Base (~$0.25) at checkout/run. Returns ranked before/after price brief. Native ETH on eip155:8453 to 0…

Verified, always-current business-day arithmetic for ~200 countries incl. subdivisions (German Bundeslaender, US states) and correct per-country weekend rules (e.g. Fri/Sat in Egypt). Check business days, add/subtract business days (deadlin…

Agent-ready business data, intelligence and procurement APIs, payable per request in USDC via x402. Provides company search, verification, profiles, directors, financials, risk, compliance, certifications, public contracts, funding opportun…

Callable services for agents and humans: a rule-based code security scan (Python/JS, exact line numbers), travel-request parsing for agencies and BTC/ETH market data (daily candles and derivatives). Deterministic, no LLM in the path, so the…

SYNTHORA Open Interest Oracle: live perpetual futures open interest, funding rates, mark price, premium and crowded long/short signal for 230+ assets via Hyperliquid. Ed25519-signed. First call FREE per wallet — send header 'X-WALLET: 0x<yo…

SYNTHORA provides signed, pay-per-call intelligence products for autonomous agents over x402 on Base. The product list is generated from the current discoverable registry.

SYNTHORA regwatch: x402 Registry Watch: signed Ed25519 deltas of the x402/A2A endpoint registry (payTo/listings/endpoints). Pay-per-event feed pull. POST {"since":"<cursor|ISO>","slug":"<slug>","limit":<=200}.

Pay-per-call agent APIs led by live crypto narrative research: recent X and web evidence, CoinGecko market context, structured JSON, and source URLs. Also provides bilingual context briefs, summarization, and OpenAI-compatible chat. USDC vi…

URL in, clean Markdown out. Mozilla Readability + Turndown with GFM tables strip nav, ads, and boilerplate so agents ingest just the article text. 5 free calls/day/IP, then $0.01/call from prepaid USDC-on-Base credits verified on-chain. No …

Structural market data over x402 on Base. D1: real-time support/resistance levels for CME micro futures (MES, MNQ, MYM) with zone status, freshness fields, and a stated coverage window (Mon–Fri 09:30–16:10 ET, 3-min cadence, 600s freshness …

AI-powered web scraping API with 100 endpoints (30 premium proxy-based + 70 free-source at $0.002/call). Extract data from Google Maps, LinkedIn, Reddit, Instagram, Airbnb, Exa semantic search, YouTube transcripts, dev.to, OpenAlex, PubMed,…

Extract webpage and digital PDF text for RAG and research; detect documentation, pricing and policy changes with hashes and line differences. USDC on Base or Algorand.

VAT number validation, rate calculation, and category lookup for EU.

Current time and timezone conversion for any location.

Validate and get carrier info for phone numbers worldwide.

Detect VPNs, proxies, bots, and Tor nodes by IP address.

Validate International Bank Account Numbers (IBANs).

Public holiday data for 200+ countries.

Live, historical, and conversion exchange rates for 150+ currencies.

Check the reputation and risk score of an email address.

Enrich company data from a domain name.

Keyless web search for AI agents, pay-per-call, no API key and no signup: natural-language query in, ranked organic results out (title, url, snippet) with source list. Neutral web access for research, RAG grounding and fact-check agents tha…

Micropaid deterministic web utilities for AI agents via x402 on Base: AI crawler policy checks, llms.txt discovery, page metadata extraction, and AI web-readiness audits.

Paid APIs for AI agents. 53 services, 41 paid. Data, search, market intelligence, inference, and services agents pay for via x402.

Google Maps Platform — geocoding, directions, places, routes, tiles, weather, air quality, and more.

Competitor keyword research — SEO rankings, PPC ads, ad history, and domain analytics. 18+ years of historical data.

Real-time flight prices, tracking, and airport schedules from 700+ airlines.

Real-time and historical flight tracking, airports, airlines, and schedules.

Current U.S. federal regulation lookup, semantic search, and change tracking with provenance-rich responses from official government sources.

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…

Pay per record marketplace of provenance stamped US government and scientific data for AI agents: 8.1 million records across 80 official sources. Sanctions and debarment screening on 11 authorities, SEC filings, CVE and KEV, federal spendin…

72 pay-per-request x402 APIs for autonomous agents, USDC on Base, no account and no API key. Post-quantum ML-DSA-65 document signing and agent identity certificates (FIPS 204); signed random bytes with entropy-health attestation; bulk chain…

Financial market data

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…