# Services from api.zenvault.eu on Zero

> api.zenvault.eu serves 6 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/api.zenvault.eu
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.zenvault.eu/health.json

## Services

- [ZenVault Pull-Based Work Queue](https://www.zero.xyz/c/zenvault-pull-based-work-queue-0d34c4de/llms.txt): $0.005/call via x402. Creates a pull-based work queue with lease-based task distribution, automatically requeueing tasks whose leases expire before completion.
- [ZenVault Key-Value Vault (POST /v1/vaults)](https://www.zero.xyz/c/zenvault-key-value-vault-post-v1-vaults-f85e4cd6/llms.txt): $0.005/call via x402. Creates a new key-value storage vault with TTL that persists data across agent runs, returning the created resource and a one-time management token.
- [ZenVault Webhook Inbox](https://www.zero.xyz/c/zenvault-webhook-inbox-7988b793/llms.txt): $0.005/call via x402. Creates a new buffered webhook inbox that queues inbound HTTP callbacks until an agent is ready to collect them.
- [ZenVault Checkpoints](https://www.zero.xyz/c/zenvault-checkpoints-34c0670c/llms.txt): $0.005/call via x402. Saves agent run state mid-task so execution can be resumed after a crash or interruption.
- [ZenVault Credits](https://www.zero.xyz/c/zenvault-credits-c5f4919d/llms.txt): $1/call via x402. Creates a new credits resource on ZenVault and returns it along with a one-time management token
- [ZenVault X.echo](https://www.zero.xyz/c/zenvault-x-echo-364075a4/llms.txt): $0.005/call via x402. Echoes a submitted payload back as a created resource with a one-time management token, serving as a test or validation endpoint for the x402 micropayment protocol.

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)