Cohere API

by docs.cohere.com

AI models and chat Added on October 31st, 2026 Checked and working on October 31st, 2026

What it does

Cohere offers language AI for businesses: the Command models for chat and text generation, Embed for turning text into vectors for semantic search, and Rerank for ordering search results by relevance, all in more than 100 languages. Use the REST API or the SDKs for Python, TypeScript, Java and Go. Free trial key without a time limit, limited to 1,000 calls per month and a per-minute rate limit; production use needs a paid key.

API
JSON
REST

At a glance

API key: Needed, free · More APIs with a free key
Pricing: Free trial key without a time limit, limited to 1,000 calls per month and a per-minute rate limit; production use needs a paid key.
From the browser: Yes (CORS)
Formats: JSON
Interface: REST
Provider: docs.cohere.com
Last checked: Working on October 31st, 2026

More information: https://docs.cohere.com/

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HTML

<a href="https://free-web-services.com/web-services/ai/llm/cohere-api.html"><img src="https://free-web-services.com/badge.svg" width="208" height="44" alt="Listed on Free Web Services" /></a>

Markdown

[![Listed on Free Web Services](https://free-web-services.com/badge.svg)](https://free-web-services.com/web-services/ai/llm/cohere-api.html)

Example request

curl

curl -X POST 'https://api.cohere.com/v2/chat' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"model": "command-a-plus-05-2026", "messages": [{"role": "user", "content": "hello"}]}'

JavaScript

const response = await fetch("https://api.cohere.com/v2/chat", {
  method: 'POST',
  headers: {
    "Authorization": "Bearer YOUR_API_KEY",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"model":"command-a-plus-05-2026","messages":[{"role":"user","content":"hello"}]}),
});
const data = await response.json();
console.log(data);

Python

import requests

response = requests.post(
    "https://api.cohere.com/v2/chat",
    headers={
        "Authorization": "Bearer YOUR_API_KEY",
        "Content-Type": "application/json",
    },
    json={
        "model": "command-a-plus-05-2026",
        "messages": [
            {
                "role": "user",
                "content": "hello",
            },
        ],
    },
    timeout=30,
)
print(response.json())

Replace YOUR_API_KEY with your own key. The JavaScript works in a web page as well as in Node.js 18 or newer.