How authentication works
One private key stays on this server.
Your application exchanges its client credentials for a short-lived gateway JWT, then calls an account-scoped endpoint. The gateway selects the NextGen sub-account and calls NextGen privately.
- Get a gateway tokenPOST /v1/auth/token
- Choose the accountUse /v1/subaccounts/{accountId}/…
- Call the operationSend Authorization: Bearer <token>
API reference
Endpoints and cURL examples
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