# Services from verza.dev on Zero

> verza.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/verza.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/verza.dev/health.json

## Services

- [Verza NCA Loan Agreement Lawfulness Checker](https://www.zero.xyz/c/verza-nca-loan-agreement-lawfulness-checker-def1f278/llms.txt): $0.25/call via x402. Checks whether a South African loan agreement's interest rate is lawful under the National Credit Act Reg 42 interest-rate caps
- [verza.dev SA ID Number Validator](https://www.zero.xyz/c/verza-dev-sa-id-number-validator-a1141c3d/llms.txt): $0.01/call via x402. Validates a South African identity number by checking its check digit, birth date, gender, and citizenship segments without storing or logging the input.
- [Verza Bulk Validate — South African ID & VAT Verification](https://www.zero.xyz/c/verza-bulk-validate-south-african-id-vat-verification-adaf30ed/llms.txt): $0.05/call via x402. Validates batches of South African ID numbers and/or VAT numbers in a single call, returning legitimacy results for each.

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)