For the complete documentation index, see llms.txt. This page is also available as Markdown.

Quickstart

Make your first January REST API request with an API key and curl.

1. Create an API key

Open the January Developer Dashboard, select API keys, and create a key. Copy the secret when it is shown; the full value is displayed only at creation time.

API keys begin with sk-. Keep the key on a backend or another machine you control, never in browser or mobile app code.

2. Store it for this terminal session

export JANUARY_API_KEY="sk-your-key"

Do not commit the key to source control.

3. Search for a food

curl --get 'https://partners.january.ai/v1.2/foods' \
  --data-urlencode 'query=greek yogurt' \
  --data-urlencode 'limit=5' \
  --header "Authorization: Bearer ${JANUARY_API_KEY}" \
  --header 'Accept: application/json'

A successful response lists matching foods, best match first, trimmed here:

{
  "items": [
    { "id": "70376084", "name": "greek yogurt", "type": "generic", "nutrients": { … }, "servings": [ … ], … }
  ]
}

A 401 means the key is missing, malformed, or not recognized. A 403 forbidden means the key was issued for API v1.1.

Next steps

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