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Documentation Index

Fetch the complete documentation index at: https://www.logo.dev/docs/llms.txt

Use this file to discover all available pages before exploring further.

Logo.dev has two API surfaces, each with its own key:
SurfaceBase URLAuth
Logo APIimg.logo.devpk_… via ?token=
REST APIsapi.logo.devsk_… via Authorization
Get both keys from the dashboard. See API keys for how they differ.

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Authentication

The Logo API takes a publishable key as a query parameter — safe to use in client-side code: 
<img src="https://img.logo.dev/stripe.com?token=LOGO_DEV_PUBLISHABLE_KEY" />
The REST APIs take a secret key in the Authorization header — server-side only: 
curl --header "Authorization: Bearer LOGO_DEV_SECRET_KEY" "https://api.logo.dev/describe/stripe.com"

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Response codes

Logo.dev uses standard HTTP status codes. See Errors for the full list and example payloads.
CodeMeaning
200Success
401Missing or invalid key
403Valid key, but your plan doesn’t include this endpoint
404No logo or brand data found

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Rate limits

Limits are monthly, not per-second, and you’re emailed before any enforcement kicks in. See Rate limits for the details.