.txt responses-api API
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)
.txt responses-api API is one of 6 APIs that .txt publishes on the 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.
This API exposes 1 operation across 1 path, and defines 12 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.
Requests are made against a single base URL, https://api.dottxt.ai/v1.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
.txt responses-api API declares
1 security scheme
for authenticating requests.
It accepts HTTP bearer tokens (API Key) (BearerAuth).
BearerAuth— API key authentication. Include your key in the Authorization header: Authorization: Bearer YOURAPIKEY API keys can be created and managed in the dashboard.
Paths & Operations 1
Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.
Create model responses with enhanced capabilities. Open Responses compatible endpoint providing advanced features: - Reasoning models - Control computational effort with reasoning…
Schemas 12
The contract defines 12 schemas that model the data the API accepts and returns. The most detailed are ResponseRequest (24 properties), ResponseObject (11 properties), ChatMessage (5 properties), ResponseItem (4 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from .txt 5
Other APIs .txt publishes across the network.
This is an independent, third-party profile of .txt responses-api API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
info@apievangelist.com
·
Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and
you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.