# Services from the-stables-blackbird-api.vercel.app on Zero

> the-stables-blackbird-api.vercel.app serves 9 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/the-stables-blackbird-api.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/the-stables-blackbird-api.vercel.app/health.json

## Services

- [Blackbird API – User Restaurant Memberships](https://www.zero.xyz/c/blackbird-api-user-restaurant-memberships-9080382b/llms.txt): $0.005/call via x402. Returns the authenticated user's per-restaurant membership records, including check-in counts and membership tiers, paginated and optionally filtered by restaurant.
- [Blackbird API – Cancel Payment Intent](https://www.zero.xyz/c/blackbird-api-cancel-payment-intent-2e55f568/llms.txt): $0.005/call via x402. Cancels a pending (unpaid) Blackbird Payment Intent by ID, preventing it from being charged.
- [Blackbird API – List Restaurant Specials](https://www.zero.xyz/c/blackbird-api-list-restaurant-specials-95edd56d/llms.txt): $0.005/call via x402. Returns a paginated list of a restaurant's current specials — limited menu items or promotional offers, optionally carrying a FLY reward and check-in threshold requirement.
- [Blackbird API – List Restaurant Challenges](https://www.zero.xyz/c/blackbird-api-list-restaurant-challenges-44d125e4/llms.txt): $0.005/call via x402. Retrieves a paginated list of FLY reward challenges for a given restaurant, including campaigns completed via payments, referrals, dines, or passport milestones.
- [Blackbird Member Wallet Retrieval](https://www.zero.xyz/c/blackbird-member-wallet-retrieval-21830453/llms.txt): $0.005/call via x402. Retrieves the authenticated Blackbird member's MEMBERSHIP and SPENDING wallet details, auto-provisioned for all members.
- [Blackbird API – Retrieve Payment Intent](https://www.zero.xyz/c/blackbird-api-retrieve-payment-intent-7b5c935f/llms.txt): $0.005/call via x402. Fetch a single Payment Intent by ID and return its current derived status (e.g. pending, paid, cancelled, refunded).
- [Blackbird API – Refund Payment Intent](https://www.zero.xyz/c/blackbird-api-refund-payment-intent-47f86ab5/llms.txt): $0.005/call via x402. Reverses a paid Blackbird Payment Intent by performing a full FLY transfer refund (partial refunds not supported).
- [Blackbird API – My Member Profile](https://www.zero.xyz/c/blackbird-api-my-member-profile-957fca4e/llms.txt): $0.005/call via x402. Retrieve the authenticated user's Blackbird member profile, including identity and wallet details, via x402 micropayment or member JWT.
- [Blackbird API – Get Restaurant by UUID](https://www.zero.xyz/c/blackbird-api-get-restaurant-by-uuid-8fcffa53/llms.txt): $0.005/call via x402. Fetches a single restaurant's details from the Blackbird dining loyalty platform by its unique UUID.

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)