# Services from fractalai.net.co on Zero

> fractalai.net.co serves 7 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/fractalai.net.co
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/fractalai.net.co/health.json

## Services

- [FractalAI x402 Seal — Post-Quantum Provenance Attestation](https://www.zero.xyz/c/fractalai-x402-seal-post-quantum-provenance-attestation-41ad9851/llms.txt): $0.05/call via x402. Creates a post-quantum cryptographic provenance seal (Dilithium/ML-DSA) over content, optionally anchored on-chain, with drand-sourced randomness for timestamping.
- [FractalAI Attest Decision](https://www.zero.xyz/c/fractalai-attest-decision-5209624f/llms.txt): $0.05/call via x402. Creates a post-quantum cryptographically signed attestation of an AI agent decision, anchoring it to a tamper-evident append-only Black Box with on-chain sealing via ML-DSA-65 (CRYSTALS-Dilithium) signatures.
- [FractalAI Post-Quantum Signature Verification](https://www.zero.xyz/c/fractalai-post-quantum-signature-verification-22541fc8/llms.txt): $0.01/call via x402. Verifies a post-quantum cryptographic signature (ML-DSA-65 / Dilithium-2) over a message and returns a signed attestation of the verdict
- [FractalAI Post-Quantum x402 Signing Service](https://www.zero.xyz/c/fractalai-post-quantum-x402-signing-service-01c32231/llms.txt): $0.02/call via x402. Signs a hex digest using ML-DSA-65 (CRYSTALS-Dilithium / NIST FIPS 204) post-quantum cryptography and returns a verifiable base64 signature with public key via the x402 payment protocol.
- [FractalAI CBOM Seal — Post-Quantum Cryptographic Bill of Materials Sealing](https://www.zero.xyz/c/fractalai-cbom-seal-post-quantum-cryptographic-bill-of-materials-1ceeb7d2/llms.txt): $0.05/call via x402. Accepts a Cryptographic Bill of Materials (CBOM) and returns a post-quantum signed, drand-randomness-anchored seal (Dilithium-2/ML-DSA-44) plus an additive ML-DSA-65 served signature for offline verification.
- [FractalAI x402 Agent Credential Verifier](https://www.zero.xyz/c/fractalai-x402-agent-credential-verifier-5b2f84be/llms.txt): $0.03/call via x402. Validates an AI agent's KYA (Know Your Agent) credential using post-quantum ML-DSA-65 cryptography and returns a signed attestation of the verification result
- [FractalAI Attest Training](https://www.zero.xyz/c/fractalai-attest-training-9491d2a1/llms.txt): $0.05/call via x402. Issues a post-quantum cryptographic attestation (C2PA-compatible provenance manifest) for AI training data or model outputs, signed with ML-DSA-65 (Dilithium-3, NIST FIPS 204).

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)