# Fetch Sentry

Fetch Sentry is a paid x402 API on Base for agent-safe fetching, metadata extraction, and prompt-injection scanning.

Base URL: https://api.fetch-sentry.online
Wallet: 0x2aBA0C08b02BA17fCF66A423f97A70fd04245321
Network: eip155:8453

Free route:
- GET /preview : free : short preview for evaluation before purchase

Paid routes:
- GET /fetch : $0.001 : clean page text and metadata
- GET /extract : $0.002 : title, description, links, canonical URL, language
- POST /scan : $0.003 : prompt-injection and credential-harvest heuristics

Public docs:
- https://api.fetch-sentry.online/catalog
- https://api.fetch-sentry.online/pricing.json
- https://api.fetch-sentry.online/openapi.json
- https://api.fetch-sentry.online/quickstart.txt
- https://api.fetch-sentry.online/buyer-quickstart.txt
- https://api.fetch-sentry.online/buyer-example.ts
- https://api.fetch-sentry.online/health

Usage notes:
- Protected routes return HTTP 402.
- Read the payment-required header and pay with an x402-compatible client.
- The API is suitable for agent workflows, crawlers, and browser tools.