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Create Account

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1. Sign up

Go to cnpj-api.com/en/sign-up and create your account using one of the options:
  • Google — click the Google button to sign in with your Google account
  • Email — enter your email and receive a magic link
Sign up page
If you choose email, check your inbox (and spam folder) and click the link to complete signup.

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2. Create an API token

After signing in, you will be redirected to the My Account page. To create your token:
  1. Click Create new token
  2. Choose a label to identify the token (e.g. my-app-production)
  3. Click Create
The token is shown only once. Copy and store it securely before closing the page.

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3. Use the token

Add the token to your requests via URL parameter or HTTP header: 
curl "https://api.cnpj-api.com/v1/cnpj/12345678000195?token=YOUR_TOKEN"
See Authentication for all available methods.

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Managing tokens

My Account page with token management
On the My Account page you can:
  • Create new tokens
  • Rotate an active token (generates a new one, keeping the old one active until revoked)
  • Revoke a token to disable it immediately

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Next steps