# Spraay x402 Gateway
Pay-per-use infrastructure for autonomous AI agents. Powered by the x402 protocol on Base.

## What this is
Spraay provides 129 paid API endpoints (153 total) that agents call with USDC micropayments via HTTP 402. No API keys, no signups — agents pay per-call with on-chain USDC.

## Payment details
- Protocol: x402 (https://x402.org)
- Network: Base mainnet (EVM, eip155:8453)
- Asset: USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)
- Pay to: 0xAd62f03C7514bb8c51f1eA70C2b75C37404695c8
- Facilitator: Coinbase CDP
- Solana rail: USDC payments also accepted on Solana — see https://gateway.spraay.app/.well-known/solana.json

## Getting started
1. Fund an agent wallet with USDC on Base
2. Send a request to any endpoint
3. Receive 402 Payment Required with x402 payment terms
4. Retry with the x402 payment header
5. Receive 200 with your data

## Categories
- Agent Wallets (5)
- AI Chat & Models (2)
- AI Inference (Intelligence) (4)
- Batch Payments (8)
- Bittensor (SN64) (4)
- Communication (Email/SMS/XMTP) (9)
- Compute (Inference Jobs) (10)
- Compute Futures (Prepaid) (6)
- Cross-Chain Bridge (2)
- Data (1)
- DeFi & Swaps (6)
- Discovery (1)
- Escrow (6)
- Free Tier (No Wallet) (13)
- GPU / Compute (3)
- Identity & Auth (5)
- Infrastructure (RPC/Storage/Webhooks) (10)
- Invoicing (3)
- KYC & Compliance (4)
- On-Chain Analytics (2)
- Payroll (3)
- Price & Gas Oracle (3)
- Research & Reference (23)
- Robot Task Protocol (RTP) (8)
- Search & RAG (3)
- Supply Chain (SCTP) (8)
- Trust & Safety (1)

## Full catalog
Every endpoint, price, and search terms: https://gateway.spraay.app/llms-full.txt

## Resources
- Full x402 manifest: https://gateway.spraay.app/.well-known/x402.json
- Solana discovery: https://gateway.spraay.app/.well-known/solana.json
- Agent card (A2A): https://gateway.spraay.app/.well-known/agent.json
- OpenAPI 3.1 spec: https://gateway.spraay.app/openapi.json
- MCP server card: https://gateway.spraay.app/.well-known/mcp/server-card.json
- Docs: https://docs.spraay.app
- GitHub: https://github.com/plagtech/spraay-x402-gateway
- MCP on Smithery: https://smithery.ai/servers/Plagtech/Spraay-x402-mcp

## Contact
Twitter: @Spraay_app
Email: hello@spraay.app