x402 Crypto + AI API

AI agent crypto data layer + vertical AI micro-SaaS. 35 endpoints covering prices, DEX, DeFi, wallets, whale alerts, legal review, tax estimation, invoice parsing, and sentiment analysis. Pay per request in USDC on Base.

35 Endpoints
$0.002 Starting Price
USDC on Base
No API Key Needed
View API Docs Dashboard

Data Categories

Market Data

Real-time prices, market caps, volume, trending tokens, Fear & Greed Index. Powered by CoinGecko.

$0.002 — $0.005

DEX Intelligence

Trading pairs, liquidity, volume across all DEXes. Search any token on Solana, ETH, Base, BSC.

$0.002 — $0.003

DeFi Analytics

TVL rankings, protocol data, chain TVL. All DeFi protocols via DefiLlama.

$0.002 — $0.003

Wallet Tracking

Native balances, ERC-20 transfers, transaction history, internal txns across 12+ chains.

$0.003 — $0.005

Whale Alerts

Large transaction detection. Track whale movements on Ethereum and other chains.

$0.010

Premium Analytics

Token screener, multi-wallet portfolio, top movers, batch prices. Built for AI agents.

$0.002 — $0.008

⚡ AI Micro-SaaS (NEW v4.0)

Vertical AI services for AI agents: legal contract review, Indonesian tax estimator, invoice parser, multi-language sentiment. Powered by Xiaomi MiMo (mimo-v2-flash).

$0.005 — $0.020

All Endpoints

EndpointPriceType
GET /api/v1/free/healthFreeFREE
GET /api/v1/free/fear-greedFreeFREE
GET /api/v1/free/gasFreeFREE
GET /api/v1/price/:coin_id$0.003
GET /api/v1/trending$0.005
GET /api/v1/market$0.003
GET /api/v1/top-coins$0.005
GET /api/v1/search?q=$0.002
GET /api/v1/prices?ids=$0.002
GET /api/v1/movers$0.003
GET /api/v1/sentiment$0.005
GET /api/v1/screener$0.005
GET /api/v1/portfolio?wallets=$0.008
GET /api/v1/whale/ethereum$0.010
GET /api/v1/dex/token/:chain/:addr$0.003
GET /api/v1/dex/pair/:chain/:pair$0.003
GET /api/v1/dex/search?q=$0.002
GET /api/v1/dex/trending$0.003
GET /api/v1/dex/boosted$0.002
GET /api/v1/protocols$0.003
GET /api/v1/tvl/:protocol$0.002
GET /api/v1/chains$0.002
GET /api/v1/wallet/:chain/:addr$0.005
GET /api/v1/gas/multi$0.003
GET /api/v1/wallet/:c/:a/transactions$0.005
GET /api/v1/wallet/:c/:a/tokens$0.005
GET /api/v1/wallet/:c/:a/internal$0.003
GET /api/v1/contract/:c/:a/abi$0.003
GET /api/v1/token/:c/:a/info$0.003
GET /api/v1/gas/:chain$0.002
GET /api/v1/block/:chain/latest$0.002
⚡ AI Micro-SaaS v4.0 (POST endpoints)
POST /api/v1/ai/sentiment$0.005
POST /api/v1/ai/invoice-ocr$0.010
POST /api/v1/ai/tax-id$0.015
POST /api/v1/ai/legal-review$0.020

Quick Start

# Free request (no payment)
curl https://api.example.com/api/v1/free/fear-greed

# Paid request (x402 protocol handles payment)
curl https://api.example.com/api/v1/price/bitcoin

# With API key (higher rate limit: 300/min)
curl -H "x-api-key: YOUR_KEY" https://api.example.com/api/v1/sentiment