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Sub-accounts let you provision isolated messaging environments for your customers with independent API keys and spending controls.

Create Sub-Account

The api_key field is only included in the creation response. Store it securely.

Get Sub-Account

List Sub-Accounts

Update Sub-Account

Suspend a Sub-Account

Get Sub-Account Balance

Deactivate Sub-Account

API Keys

List API Keys

Create API Key

Revoke API Key

Check Balance (Sub-Account Perspective)

When a sub-account uses its own API key, GET /v1/balance returns its spending data:

Async Usage