Kagi FastGPT API
FastGPT is Kagi's LLM-powered question answering API that combines a hosted model with live Kagi web search for grounded, cited answers.
Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/fastgpt-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
API entry from apis.yml
aid: kagi:fastgpt-api
name: Kagi FastGPT API
description: FastGPT is Kagi's LLM-powered question answering API that combines a hosted model with live
Kagi web search for grounded, cited answers.
humanURL: https://help.kagi.com/kagi/api/fastgpt.html
baseURL: https://kagi.com/api/v0
tags:
- FastGPT
- QA
- Grounded Answers
- LLMs
- Search
properties:
- type: Documentation
url: https://help.kagi.com/kagi/api/fastgpt.html
- type: APIReference
url: https://help.kagi.com/kagi/api/fastgpt.html
- type: Pricing
url: https://help.kagi.com/kagi/api/overview.html
features:
- name: Grounded Answers
description: LLM answers grounded in live Kagi search results with citations.
- name: Low Latency
description: Optimized for fast question answering in interactive agents.
- name: Citation Sources
description: Return source URLs and snippets alongside each answer.
useCases:
- name: Q&A Agents
description: Build chat agents that answer factual questions with citations.
- name: Knowledge Assistants
description: Power knowledge assistants that need grounded responses.
- name: Search-Backed Chat
description: Replace bare LLMs with search-grounded chat experiences.
integrations:
- name: Python
- name: TypeScript
- name: Go
- name: Rust
authentication:
- type: API Key
description: Bot API token sent via the Authorization header.