Usage

Codex GraphQL API

Real-time and historical blockchain data and prediction market analytics via GraphQL API for 80+ networks. Codex provides a unified GraphQL API for accessing token prices, trades, liquidity pools, NFT data, wallet analytics, and prediction market data across EVM and non-EVM chains. Used by trading bots, portfolio trackers, analytics dashboards, DeFi applications, and AI agents.

APIbase — Universal API Hub for AI Agents

APIbase aggregates, normalizes, and provides APIs from hundreds of businesses in a unified format optimized for AI agent consumption. Search flights, trade prediction markets, check weather, and more — all via a single REST API or MCP endpoint. Supports dual-rail payments: x402 (USDC on Base) and MPP (USDC on Tempo).

glim.sh

One remote endpoint gives your agent live data from Twitter, Reddit, the open web, GitHub and more. No API keys, no scraping stack - just connect the URL and go.

Exa Public API

Firecrawl

Web scraping, crawling, and structured data extraction for LLMs.

OpenRouter

Unified API for 100+ AI models with live pricing.

StableEnrich

Pay-per-request access to FullEnrich, CompanyEnrich, LeadMagic, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.

Perplexity

AI-powered search — Sonar chat with real-time web grounding, web search, and embeddings.

Parallel API Gateway

Parallel Web Systems APIs (Search, Extract, Task) payment-gated via MPP/Tempo (pathUSD). Clients pay with HTTP 402 challenges using the mppx SDK.

CoinGecko

Cryptocurrency market data — prices, charts, market cap, exchanges, trending coins, global stats, NFTs, derivatives, and on-chain data.

fal.ai

Image, video, and audio generation with 600+ models (Flux, SD, Recraft, Grok).

2Captcha

CAPTCHA solving API — reCAPTCHA, Turnstile, hCaptcha, image captchas, and more.

Agent402: 500+ pay-per-call tools for AI agents over x402 + MPP

The open-source, self-hostable applied layer of Agentic Finance - agents paying and getting paid over x402 and MPP: 500+ machine-payable web tools for AI agents in one place (browser, search, PDFs, images, live data, payment helpers) - the whole catalog is open and runnable yourself. Every endpoint is paid per call in USDC on Base, Solana, Polygon, Arbitrum, Monad, Celo, Avalanche, Sei, Optimism, Stellar, or Algorand - or USDG on Robinhood Chain over x402, or over MPP (Machine Payments Protocol: USDC on Base/Celo, or USDC.e (and PathUSD) natively on Tempo) - no signup, no API keys - the first request returns HTTP 402 carrying both offers, an x402 or mppx client pays and retries - or free with proof-of-work. Also the open x402 index, Smart Order Router and MPP marketplace. Free discovery: GET /api/pricing, GET /llms.txt. Multi-tool workflows: GET /api/skill-packs.json.

Word of the Day

Financial & crypto term of the day in EN, FR, ES, DE. $0.01 USDC.e per request.

Alpha Vantage

Financial market data — stock prices, forex, crypto, commodities, economic indicators, technical analysis, and news sentiment.

OpenWeather

Global weather data — current conditions, 5-day forecasts, hourly forecasts, air quality index with pollutants, geocoding, and One Call 3.0 with full weather suite and government alerts.

Stablecoin Peg Monitor

Real-time peg status, deviation, volatility and stability scoring for major USD stablecoins. Pay-per-call over MPP on Tempo (USDC.e, gas-abstracted).

mppgas

Multi-chain gas toolkit. Gas prices, EIP-1559 breakdown, 30-min forecasts, spike detection, and cheapest-time finder for Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Tempo.

Funding Rates Decision API

Paid funding rates and funding arbitrage decision API for AI trading agents across 18 perp venues. Paid routes require a payment receipt; unpaid requests receive a 402 challenge that lists the per-route price.

Identity Resolver

Resolve Web3 identities across ENS, Farcaster, and Lens Protocol