# .txt responses-api API

**Canonical:** https://apis.io/apis/txt/txt-responses-api-api/  
**Provider:** .txt — https://apis.io/providers/txt/  
**Base URL:** https://api.dottxt.ai/v1  
**Documentation:** https://docs.dottxt.ai/api/overview

.txt responses-api API is one of 6 APIs that [.txt](https://apis.io/providers/txt/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Responses API. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Create model responses with enhanced capabilities. Open Responses compatible endpoint providing advanced features: - **Reasoning models** - Control computational effort with `reasoning` parameter - **Stateful conversations** - Maintain context across turns with `previous_response_id` - **Flexible input** - Use simple strings or full message arrays - **Text output configuration** - Structured outputs via `text` parameter - **Context management** - Handle overflow with `truncation` parameter [Open Responses API Reference →](https://www.openresponses.org/reference)

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/txt/refs/heads/main/openapi/txt-responses-api-api-openapi.yml
- **Documentation** — https://docs.dottxt.ai/api/overview
- **APIReference** — https://docs.dottxt.ai/api/chat-completions

## Other .txt APIs (5)

- [.txt batches API](https://apis.io/apis/txt/txt-batches-api/)
- [.txt chat API](https://apis.io/apis/txt/txt-chat-api/)
- [.txt embeddings API](https://apis.io/apis/txt/txt-embeddings-api/)
- [.txt files API](https://apis.io/apis/txt/txt-files-api/)
- [.txt models API](https://apis.io/apis/txt/txt-models-api/)

## Tags

Responses API

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