# Onto Extract API

**Canonical:** https://apis.io/apis/buildonto-dev/buildonto-dev-extract-api/  
**Provider:** Onto — https://apis.io/providers/buildonto-dev/  
**Base URL:** https://api.buildonto.dev  
**Documentation:** https://docs.buildonto.dev/reference

Onto Extract API is one of 7 APIs that [Onto](https://apis.io/providers/buildonto-dev/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Extract. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Return the structured data a page declares (JSON-LD, OpenGraph, meta). Deterministic, no AI.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/v1/extract` | Extract a page's structured data |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/buildonto-dev/openapi/buildonto-dev-extract-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/buildonto-dev/json-schema/buildonto-dev-score-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/buildonto-dev/json-schema/buildonto-dev-usage-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/buildonto-dev/json-schema/buildonto-dev-read-and-score-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/buildonto-dev/json-schema/buildonto-dev-read-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/buildonto-dev/json-schema/buildonto-dev-read-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/buildonto-dev/json-schema/buildonto-dev-score-request-schema.json

## Other Onto APIs (6)

- [Onto Batch API](https://apis.io/apis/buildonto-dev/buildonto-dev-batch-api/)
- [Onto Map API](https://apis.io/apis/buildonto-dev/buildonto-dev-map-api/)
- [Onto Read API](https://apis.io/apis/buildonto-dev/buildonto-dev-read-api/)
- [Onto Read + Score API](https://apis.io/apis/buildonto-dev/buildonto-dev-read-score-api/)
- [Onto Score API](https://apis.io/apis/buildonto-dev/buildonto-dev-score-api/)
- [Onto Usage API](https://apis.io/apis/buildonto-dev/buildonto-dev-usage-api/)

## Tags

Extract

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