Cohere empowers developers and businesses with a suite of powerful Large Language Model (LLM) APIs designed to unlock the potential of text data. Their models, trained on massive datasets, can perform a wide range of tasks including:

  • Creative Text Generation: Generate different creative text formats like poems, scripts, or marketing copy.
  • Text Analysis and Understanding: Gain insights into text sentiment, topics, and characteristics.
  • Text Transformation: Improve readability and clarity by paraphrasing or summarizing content.
  • Question Answering: Extract answers to your questions from a given context.

Authentication:

Cohere utilizes API keys for authentication. You can obtain your free API key by creating an account on the Cohere platform.

Here's a breakdown of some key Cohere Text API endpoints along with JavaScript example code snippets for each:

1. Text Completion (Complete)

  • This endpoint allows you to generate different creative text formats based on a provided prompt and instructions.
  • Type: POST
  • JavaScript Example:
const apiKey = 'YOUR_API_KEY';
const url = 'https://api.cohere.com/v1/complete';

const data = {
    text: 'Once upon a time',
    instructions: 'Continue the story in a creative and imaginative way',
};

const headers = {
    Authorization: `Bearer ${apiKey}`,
    'Content-Type': 'application/json',
};

fetch(url, { method: 'POST', headers, body: JSON.stringify(data) })
    .then((response) => response.json())
    .then((data) => {
        console.log('Generated Text:', data.completions[0].text);
    })
    .catch((error) => console.error(error));

2. Summarization (Summarize)

  • This endpoint generates concise summaries of factual text content.
  • Type: POST
  • JavaScript Example:
const apiKey = 'YOUR_API_KEY';
const url = 'https://api.cohere.com/v1/summarize';

const data = {
    text: 'The quick brown fox jumps over the lazy dog. The rain in Spain falls mainly on the plain.',
};

const headers = {
    Authorization: `Bearer ${apiKey}`,
    'Content-Type': 'application/json',
};

fetch(url, { method: 'POST', headers, body: JSON.stringify(data) })
    .then((response) => response.json())
    .then((data) => {
        console.log('Summary:', data.summary);
    })
    .catch((error) => console.error(error));

3. Paraphrase (Paraphrase)

  • This endpoint rewrites sentences while preserving the original meaning.
  • Type: POST
  • JavaScript Example:
const apiKey = 'YOUR_API_KEY';
const url = 'https://api.cohere.com/v1/paraphrase';

const data = {
    text: 'This is a clear and concise sentence.',
};

const headers = {
    Authorization: `Bearer ${apiKey}`,
    'Content-Type': 'application/json',
};

fetch(url, { method: 'POST', headers, body: JSON.stringify(data) })
    .then((response) => response.json())
    .then((data) => {
        console.log('Paraphrased Text:', data.paraphrases[0].text);
    })
    .catch((error) => console.error(error));

4. Text Analysis (Analyze) (Available on paid plans)

  • This endpoint analyzes the sentiment and other characteristics of a text.
  • Type: POST
  • Note: Text Analysis API requires a paid subscription. Refer to Cohere documentation for details on paid plans and functionalities.

5. Question Answering (QA) (Available on paid plans)

  • This endpoint allows you to ask questions and receive answers based on a given context.
  • Type: POST
  • Note: Question Answering API requires a paid subscription. Refer to Cohere documentation for details on paid plans and functionalities.

Explore More with Cohere

Cohere offers a free tier along with paid plans that unlock additional features and capabilities. Explore their comprehensive documentation to delve deeper into each API endpoint, advanced functionalities, and pricing options. Leverage Cohere's LLMs to unlock the potential of your text data and gain valuable insights.