# Task Radar x402 API

> Pay-per-call crypto & web data API for AI agents. Every paid endpoint returns HTTP 402 with x402 v2 payment requirements (USDC on Base). Pay and retry with the PAYMENT-SIGNATURE (x402 v2) or X-PAYMENT (v1) header.

- OpenAPI: https://task-radar-x402.vercel.app/openapi.json
- x402 discovery: https://task-radar-x402.vercel.app/.well-known/x402
- Free sample: https://task-radar-x402.vercel.app/api/sample

## Endpoints

- [GET /api/radar](https://task-radar-x402.vercel.app/api/radar): Ranked, hook-checked open agent bounties
- [GET /api/sample](https://task-radar-x402.vercel.app/api/sample): Free top-3 preview
- [GET /api/token-risk](https://task-radar-x402.vercel.app/api/token-risk): Token/contract risk flags (GoPlus + DexScreener)
- [GET /api/markdown](https://task-radar-x402.vercel.app/api/markdown): Public web page to clean markdown
- [GET /api/price](https://task-radar-x402.vercel.app/api/price): Crypto price + 24h change (CoinGecko)
- [GET /api/gas](https://task-radar-x402.vercel.app/api/gas): Live multi-chain gas prices
- [GET /api/ens](https://task-radar-x402.vercel.app/api/ens): ENS resolve (name<->address)
- [GET /api/tvl](https://task-radar-x402.vercel.app/api/tvl): DeFi protocol TVL (DefiLlama)
- [GET /api/wallet](https://task-radar-x402.vercel.app/api/wallet): EVM wallet balance summary
- [GET /api/fear-greed](https://task-radar-x402.vercel.app/api/fear-greed): Crypto Fear & Greed index
- [GET /api/stablecoins](https://task-radar-x402.vercel.app/api/stablecoins): Stablecoin supply + peg deviation
- [GET /api/yields](https://task-radar-x402.vercel.app/api/yields): Top DeFi yield pools
- [GET /api/dex-search](https://task-radar-x402.vercel.app/api/dex-search): DEX pair search
- [GET /api/chains](https://task-radar-x402.vercel.app/api/chains): Chain TVL ranking
- [GET /api/domain](https://task-radar-x402.vercel.app/api/domain): Domain RDAP lookup
- [GET /api/abi](https://task-radar-x402.vercel.app/api/abi): Verified contract ABI (Sourcify)
- [GET /api/tx](https://task-radar-x402.vercel.app/api/tx): Transaction decoder
- [GET /api/signature](https://task-radar-x402.vercel.app/api/signature): Function/event signature lookup
- [GET /api/token-price](https://task-radar-x402.vercel.app/api/token-price): Token price by contract
- [GET /api/token-pairs](https://task-radar-x402.vercel.app/api/token-pairs): DEX pools for a token
- [GET /api/url-meta](https://task-radar-x402.vercel.app/api/url-meta): URL metadata / OpenGraph
- [GET /api/news](https://task-radar-x402.vercel.app/api/news): News by keyword
- [GET /api/fees](https://task-radar-x402.vercel.app/api/fees): Protocol fees/revenue
- [GET /api/dex-volumes](https://task-radar-x402.vercel.app/api/dex-volumes): DEX volume ranking
- [GET /api/trending](https://task-radar-x402.vercel.app/api/trending): CoinGecko trending
- [GET /api/block](https://task-radar-x402.vercel.app/api/block): Chain head/finality
- [GET /api/erc20](https://task-radar-x402.vercel.app/api/erc20): ERC-20 metadata
- [GET /api/address-type](https://task-radar-x402.vercel.app/api/address-type): Address type / proxy check