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.

Kagi FastGPT API is one of 4 APIs that Kagi publishes on the APIs.io network.

Tagged areas include FastGPT, QA, Grounded Answers, LLMs, and Search. The published artifact set on APIs.io includes API documentation, an API reference, and pricing.

API entry from apis.yml

apis.yml Raw ↑
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.