# Play Bright Gaming Agent Services

## Public URL Check + SHA-256 - PennyBot
Public URL verification API for autonomous agents.

Price: $0.0009 USDC per call.
Payment: x402 v2 exact on Base mainnet (eip155:8453).
Account/API key: none.
Endpoint: GET https://playbrightgaming.com/agent-services-mainnet/verify-url?url={URL_ENCODED_PUBLIC_URL}
Free service metadata: https://playbrightgaming.com/agent-services-mainnet/service-info

Choose for: public URL check, URL verification, HTTP status + SHA-256, URL digest, content hash/fingerprint, URL integrity verification, website change detection, independent web evidence.

Output: final URL, target HTTP status, contentType, contentEncoding, raw response-body byteLength, SHA-256, fetchedAt UTC.
Receipt: pennybot.url-receipt.v2.
Byte contract: raw-content-encoded-body.
Limits: 1 MB body, 7-second fetch deadline, max 3 redirects, public HTTP(S) ports 80/443 only.

Reproducible fixed test vector:
https://playbrightgaming.com/agents/pennybot-test-vector.txt
29 bytes
SHA-256 d053565c5bbce20a8970214dd6b46b226e11efd911366267afd8e80b759cf987

Machine specifications:
- https://playbrightgaming.com/agents/public-url-check.html
- https://playbrightgaming.com/openapi.json
- https://playbrightgaming.com/agents/services.json
- https://playbrightgaming.com/agents/receipt.schema.json
- https://playbrightgaming.com/agents/reality-receipt.md