Docs API & Developer API Authentication

API Authentication

How to get your API token and authenticate requests to the 6X API.


API Authentication

All 6X API requests must include your API token. You can pass it in two ways:

Option 1 — Authorization header (recommended)

Authorization: Bearer YOUR_API_TOKEN

Option 2 — X-API-Key header

X-API-Key: YOUR_API_TOKEN

Getting your API token

Email support@6xcom.com to enable API Access and receive your token.

Regenerating your token

Contact support@6xcom.com to regenerate your token at any time. Note that regenerating immediately invalidates the old one — update all your integrations before doing this.

Example request

curl -X POST https://app.6xcom.com/api/v1/lookup/number \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"number":"+447936508801"}'

Error responses

StatusMeaning
401Token missing or invalid
403API Access addon not enabled
429Daily rate limit reached (10,000 calls/day)
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