# Services from api.memoryapi.org on Zero

> api.memoryapi.org serves 4 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.memoryapi.org
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.memoryapi.org/health.json

## Services

- [MemoryAPI Document Upload](https://www.zero.xyz/c/memoryapi-document-upload-50bedf1c/llms.txt): $0.05/call via x402. Uploads a document (e.g. PDF) to MemoryAPI for persistent semantic storage and later searchable retrieval, returning a document ID and chunk count.
- [MemoryAPI Semantic Document Query](https://www.zero.xyz/c/memoryapi-semantic-document-query-ac375866/llms.txt): $0.01/call via x402. Performs a semantic similarity search over stored documents, returning the most relevant content chunks with similarity scores
- [MemoryAPI Text Translator](https://www.zero.xyz/c/api-memoryapi-org-243a48a4/llms.txt): $0.003/call via x402. Translates text between 11 supported languages (EN, ES, FR, DE, IT, PT, ZH, JA, AR, RU, KO) for a small per-call fee
- [MemoryAPI Store Memory](https://www.zero.xyz/c/api-memoryapi-org-351408a1/llms.txt): $0.001/call via x402. Stores a memory entry for an AI agent for later retrieval

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)