# Services from proof-random-api.pn-26f.workers.dev on Zero

> proof-random-api.pn-26f.workers.dev serves 3 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/proof-random-api.pn-26f.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/proof-random-api.pn-26f.workers.dev/health.json

## Services

- [Proof Random API – Free drand Beacon Sampler](https://www.zero.xyz/c/proof-random-api-free-drand-beacon-sampler-e08e5b1c/llms.txt): $0.05/call via x402. Relays a drand quicknet randomness beacon with nonce-bound reproducible sampling, returning verifiable on-chain randomness that clients must verify via BLS signature.
- [Proof Random API – drand Beacon Evidence Endpoint](https://www.zero.xyz/c/proof-random-api-drand-beacon-evidence-endpoint-819252c5/llms.txt): $0.15/call via x402. Relays a verifiable drand quicknet randomness beacon with nonce-bound reproducible sampling, returning cryptographic evidence for a given question
- [Proof Random API – drand Beacon Sampler](https://www.zero.xyz/c/proof-random-api-drand-beacon-sampler-cdeb0b0f/llms.txt): $0.1/call via x402. Relays a verifiable random beacon from the drand quicknet network with nonce-bound reproducible sampling, requiring client-side BLS signature verification.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)