OnchainExpat x402

Pay-per-request AI, crypto, proxy, and utility APIs

Core APIs

Uncensored AI

Venice.ai models with no content filtering. No account required.

POST /api/x402-uncensored/chat $0.03
POST /api/x402-uncensored/reasoning $0.08
POST /api/x402-uncensored/code $0.07
POST /api/x402-uncensored/image $0.03

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Crypto Intelligence

Token analysis, wallet enrichment, contract decoding, and more. 15 endpoints.

POST /api/x402-crypto/token-metadata $0.02
POST /api/x402-crypto/price-feed $0.02
POST /api/x402-crypto/wallet-identity $0.05
POST /api/x402-crypto/site-trust $0.04
POST /api/x402-crypto/contract-decoder $0.02
POST /api/x402-crypto/transaction-decoder $0.05
POST /api/x402-crypto/token-safety $0.10
POST /api/x402-crypto/wallet-forensics $0.15

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Agent Tools

16 utility endpoints for AI agents: weather, news, geocoding, crypto prices, package tracking, and more.

POST /api/x402-tools/weather/current $0.01
POST /api/x402-tools/crypto/price $0.01
POST /api/x402-tools/news/search $0.01
POST /api/x402-tools/wiki/summary $0.01
POST /api/x402-tools/stocks/quote $0.01
POST /api/x402-tools/geocode $0.01
POST /api/x402-tools/shipping/track $0.02

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Residential Proxy

Fetch any URL through residential IPs. Bypass datacenter IP blocks, geo-target by country, automatic IP rotation per request.

POST /api/x402-proxy/fetch $0.01
POST /api/x402-proxy/fetch/geo $0.01
POST /api/x402-proxy/stats $0.01

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SMS Verification

Disposable phone numbers for SMS verification. Auto-paid via USDC. No KYC, no accounts.

POST /api/x402-sms/order $3.00
POST /api/x402-sms/send $3.50

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Deep Research

Multi-source research reports on tokens, wallets, websites, and any topic. 4 endpoints.

POST /api/x402-research/token-report $0.50
POST /api/x402-research/wallet-report $0.50
POST /api/x402-research/website-report $1.00
POST /api/x402-research/deep-research $2.00

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Review & Monitoring

x402 Endpoint Review

Automated compliance review and quality scoring for x402 endpoints. Includes ERC-8004 on-chain feedback.

POST /api/x402-review/endpoint $0.25
POST /api/x402-review/check $0.01

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Escrow

Refundable Escrow (x402r)

All external-API endpoints have refundable escrow variants at 1.25× price (same price for $0.01 endpoints). If the upstream API fails, your deposit is auto-refunded within 10 minutes. Just replace x402- with x402r- in the URL.

Crypto — 15 endpoints $0.01 – $0.18
Uncensored AI — 4 endpoints $0.04 – $0.10
Tools — 15 endpoints $0.01
Deep Research — 4 endpoints $0.60 – $2.40

How to Pay

All endpoints use the x402 protocol for micropayments.

Accepted: USDC on Base Mainnet or Solana
Receiving address: 0xd8bA61a0b0974db0EC8E325C7628470526558E9B

Make a request without payment to get a 402 Payment Required response with payment instructions.

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