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GET
Look up a customer ID by alias

Authorizations

Authorization
string
header
required

API key authentication. Pass your API key as a Bearer token.

Headers

Alguna-Version
enum<string>
required
Available options:
2026-04-01

Query Parameters

alias
string
required

Customer alias to resolve — an Alguna account ID, a customer alias, or a connected-account external ID (such as a Stripe customer ID)

Example:

"cus_abc123"

Response

Success

customer_id
string
required

Alguna customer ID the alias resolves to

Example:

"cust_abc123"