Exa Answer
Search
Exa Answer
POST
Exa Answer
This document describes the Exa passthrough endpoints exposed by the platform gateway. It is based on Exa’s Search, Get Contents, and Answer APIs, with platform route prefixes applied.
Base URL example:
https://api.novita.ai
Generate an answer to a question using Exa search results, with optional citations and source text.
Request Headers
All endpoints require platform API authentication.Use
application/json.Platform API key, formatted as
Bearer <api_key>.Request Body
Natural-language question or instruction. Minimum length is 1.
Whether to return source page text. Default is
false.JSON Schema Draft 7 object for structured answer output. See Answer Output Schema.
Answer Output Schema
outputSchema accepts a JSON Schema object for structured answer output.
JSON Schema root type, commonly
object.Field definitions for the structured answer.
Required property names.
Array item schema when a property is an array.
Whether undeclared fields are allowed, or a schema for additional fields.
Request Example
Structured Answer Example
Response
Unique request identifier.
Generated answer. It can be structured according to Answer Output Schema.
Search results used to generate the answer.
Citation Object
Source title.
Source URL.
Published date when available.
Author when available.
Exa document ID.
Associated image URL.
Site favicon URL.
Source text when requested.
Errors
The platform may return standard HTTP errors before forwarding the request, and Exa may return upstream errors after forwarding.Invalid request body or unsupported parameter value.
Missing or invalid API key.
Access denied by platform or upstream provider.
Route or requested resource not found.
Rate limit exceeded.
Internal server error.
Upstream provider error.
Service unavailable.
Notes
- All request bodies are JSON.
- Extra Exa parameters not listed here may be passed through.
- Response shapes can vary depending on request options.
- This document intentionally omits billing-related fields.
References
For more details, see the Exa Answer API reference.Last modified on June 12, 2026