# Opper AI Compatibility API

**Canonical:** https://apis.io/apis/opper/opper-compatibility-api/  
**Provider:** Opper AI — https://apis.io/providers/opper/  
**Base URL:** https://api.opper.ai/v3  
**Documentation:** https://docs.opper.ai/v3-api-reference

Opper AI Compatibility API is one of 19 APIs that [Opper AI](https://apis.io/providers/opper/) 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 Compatibility. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

The Compatibility API from Opper AI — 15 operation(s) for compatibility.

## Operations (15)

| Method | Path | Summary |
|---|---|---|
| POST | `/v3/compat/audio/speech` | Speech API (OpenAI-compatible) |
| POST | `/v3/compat/chat/completions` | Chat Completions API |
| POST | `/v3/compat/decisions` | Decisions API |
| POST | `/v3/compat/embeddings` | Embeddings API |
| GET | `/v3/compat/models` | List models (OpenAI-compatible) |
| POST | `/v3/compat/openresponses` | OpenResponses API |
| POST | `/v3/compat/responses` | Responses API |
| POST | `/v3/compat/v1/messages` | Messages API |
| POST | `/v3/compat/v1/messages/count_tokens` | Count Message tokens |
| GET | `/v3/compat/v1/models` | List models (Anthropic-compatible) |
| POST | `/v3/compat/v1/systemone` | System One evaluation API |
| POST | `/v3/compat/v1beta/interactions` | Interactions API |
| POST | `/v3/compat/v1beta/models/{model}:countTokens` | Count Tokens API |
| POST | `/v3/compat/v1beta/models/{model}:generateContent` | Generate Content API |
| POST | `/v3/compat/v1beta/models/{model}:streamGenerateContent` | Stream Generate Content API |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/opper/openapi/opper-compatibility-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/opper/json-schema/opper-models-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/opper/json-schema/opper-model-resolve-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/opper/json-schema/opper-roundtable-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/opper/json-schema/opper-chat-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/opper/json-schema/opper-orstream-event-response-in-progress-schema.json
- **JSONSchema** — https://artifacts.apis.io/opper/json-schema/opper-orstream-event-completed-schema.json

## Other Opper AI APIs (12)

- [Opper AI Account API](https://apis.io/apis/opper/opper-account-api/)
- [Opper AI Artifacts API](https://apis.io/apis/opper/opper-artifacts-api/)
- [Opper AI Audio API](https://apis.io/apis/opper/opper-audio-api/)
- [Opper AI Files API](https://apis.io/apis/opper/opper-files-api/)
- [Opper AI Functions API](https://apis.io/apis/opper/opper-functions-api/)
- [Opper AI Generations API](https://apis.io/apis/opper/opper-generations-api/)
- [Opper AI Images API](https://apis.io/apis/opper/opper-images-api/)
- [Opper AI Management API](https://apis.io/apis/opper/opper-management-api/)
- [Opper AI Models API](https://apis.io/apis/opper/opper-models-api/)
- [Opper AI OCR API](https://apis.io/apis/opper/opper-ocr-api/)
- [Opper AI Rerank API](https://apis.io/apis/opper/opper-rerank-api/)
- [Opper AI Roundtable API](https://apis.io/apis/opper/opper-roundtable-api/)

## Tags

Compatibility

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