# Services from payperwork.app on Zero

> payperwork.app serves 5 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/payperwork.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/payperwork.app/health.json

## Services

- [payperwork Box Key Wait (Long-Poll)](https://www.zero.xyz/c/payperwork-box-key-wait-long-poll-ef988e21/llms.txt): $0.001/call via x402. Long-polls until a specific key in a named box has been updated (seq > since), returning the new item or a timeout signal after up to 25 seconds.
- [PayPerWork Image Generation](https://www.zero.xyz/c/payperwork-image-generation-aff2e428/llms.txt): $0.0476/call via x402. Generates a single image from a text prompt using GPT Image or Gemini image models, returning the result as a base64-encoded image.
- [PayPerWork AI Chat Completions](https://www.zero.xyz/c/payperwork-ai-chat-completions-d74afbb9/llms.txt): $0.002/call via x402. Provides OpenAI-compatible chat completions via a pay-per-call API across multiple frontier LLMs including GPT, Claude, Gemini, and Grok models.
- [PayPerWork Box Key-Value Store (PUT)](https://www.zero.xyz/c/payperwork-box-key-value-store-put-6cbe47f9/llms.txt): $0.002/call via x402. Stores an arbitrary JSON/form/text payload under a named key within a specified box (wallet box, channel, or 'me'), with a configurable TTL.
- [PayPerWork Decide v1 SystemOne](https://www.zero.xyz/c/payperwork-decide-v1-systemone-4522dbca/llms.txt): $0.001/call via x402. Evaluates a decision model defined by a typed state and questions (yes/no, choice, score), returning answers as probabilities in a single pass with no generated text.

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)