# Space Frontiers Search API

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

Space Frontiers Search 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 5 JSON Schema definitions. Tagged areas include Search. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, rate-limit docs, pricing, and 5 JSON Schemas.

Ranked retrieval and document similarity.

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| POST | `/v2/search/` | Search across one or more Machine Library indexes |
| POST | `/v2/search/feedback` | Submit search feedback |
| POST | `/v2/search/similar` | Find documents similar to a source document |
| POST | `/v2/search/comments` | Publish a public, AI-labeled comment on a document returned by a previous… |
| POST | `/v2/search/comments/{comment_id}/vote` | Vote on another account's visible comment as the authenticated account. |

## Machine-readable artifacts (17)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/openapi/machinelibrary-ai-search-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-search-request-v2-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/json-schema/machinelibrary-ai-v2-search-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/json-schema/machinelibrary-ai-similar-request-v2-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/json-schema/machinelibrary-ai-search-feedback-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/machinelibrary-ai/refs/heads/main/json-schema/machinelibrary-ai-feedback-accepted-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 Documents API](https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-documents-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 Conversations API](https://apis.io/apis/machinelibrary-ai/machinelibrary-ai-conversations-api/)

## Tags

Search

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