OmniAPI
444 Paid Endpoints · Multi-Chain
Crypto, AI, Social Media, Finance, Weather, Tools & more.
Pay per call in USDC on 9 chains. No API keys.
4 Facilitators, 1 API
Payments verified & settled across 4 independent x402 facilitators for maximum reliability
Dexter
x402.dexter.cash
11 chainsMeridian
settle.mrdn.finance
10 chainsFluxA
fluxapay.xyz
Base + XRPGoPlausible
facilitator.goplausible.xyz
Base + Solana + AlgoEndpoint Categories
Browse all 444 endpoints across 14 categories
AI & Machine Learning
50 endpoints
Anime & Manga
8 endpoints
Crypto & Blockchain
50 endpoints
Finance & Markets
50 endpoints
Fun & Trivia
22 endpoints
Gaming
12 endpoints
Geo & Location
40 endpoints
Health & Fitness
30 endpoints
Entertainment & Media
17 endpoints
News & Media
15 endpoints
Social Media
51 endpoints
Tools & Utilities
50 endpoints
Weather & Climate
40 endpoints
Web & Search
9 endpoints
How It Works
1. Discover
Fetch /openapi.json to discover all 444 endpoints with pricing and chain info.
2. Pay on Any Chain
Send an X-PAYMENT header with your USDC payment proof on any of 9+ supported chains via 4 facilitators.
3. Get Data
Once payment is verified by any facilitator, your request is proxied to the upstream API instantly.
Quick Start
# 1. Discover endpoints
curl https://omni-api.vercel.app/openapi.json
# 2. Call an endpoint (returns 402 with price)
curl -X GET https://omni-api.vercel.app/api/crypto/price
# 3. Pay with x402 (agent handles this automatically)
curl -X GET https://omni-api.vercel.app/api/crypto/price \
-H "X-PAYMENT: <payment_proof>"