# Space Frontiers Documents API

**Canonical:** https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-documents-api/  
**Provider:** Space Frontiers — https://apis.io/providers/machinelibrary-ai/  
**Base URL:** https://api.machinelibrary.ai  
**Documentation:** https://machinelibrary.ai/docs/api

Space Frontiers Documents API is one of 9 APIs that [Space Frontiers](https://apis.io/providers/machinelibrary-ai/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 2 JSON Schema definitions. Tagged areas include Documents. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, rate-limit docs, pricing, and 2 JSON Schemas.

Fetch documents by ID or canonical URI.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| GET | `/v2/documents/by-uri/{uri}` | Fetch a document by canonical URI, or search inside it with `text_filter` |
| GET | `/v2/documents/{document_id}` | Fetch a document and its public metadata by Machine Library document ID |
| GET | `/v2/documents/trending` | Documents with the most reader and agent interest |
| GET | `/v2/documents/{document_id}/activity` | 30- and 7-day counters for one document. All zero when it has none |

## Machine-readable artifacts (14)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/openapi/machinelibrary-ai-documents-api-openapi.yml
- **Documentation** — https://machinelibrary.ai/docs/api
- **APIReference** — https://machinelibrary.ai/docs/api/reference
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/authentication/machinelibrary-ai-authentication.yml
- **OAuthScopes** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/scopes/machinelibrary-ai-scopes.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/conventions/machinelibrary-ai-conventions.yml
- **Idempotency** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/conventions/machinelibrary-ai-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/errors/machinelibrary-ai-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/data-model/machinelibrary-ai-data-model.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/rate-limits/machinelibrary-ai-rate-limits.yml
- **Plans** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/plans/machinelibrary-ai-plans-pricing.yml
- **Pricing** — https://api.machinelibrary.ai/v1/pricing
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/json-schema/machinelibrary-ai-by-uri-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/json-schema/machinelibrary-ai-v2-document-response-schema.json

## Other Space Frontiers APIs (8)

- [Machine Library MCP Server](https://apis.io/apis/machinelibrary-ai/machine-library-mcp-server/)
- [Machine Library A2A Agent](https://apis.io/apis/machinelibrary-ai/machine-library-a2a-agent/)
- [Hermes Search Engine gRPC API](https://apis.io/apis/machinelibrary-ai/hermes-search-engine-grpc-api/)
- [Space Frontiers Payments API](https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-payments-api/)
- [Space Frontiers Raw document downloads API](https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-raw-document-downloads-api/)
- [Space Frontiers Recognition API](https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-recognition-api/)
- [Space Frontiers Search API](https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-search-api/)
- [Space Frontiers Conversations API](https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-conversations-api/)

## Tags

Documents

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-documents-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/machinelibrary-ai/.