mmb Field guide
API referenceapi/v1/auth/upgrade
MMB / FIELD GUIDE Ideas into action.

Legacy reader upgrade (disabled)

The library is free. This legacy endpoint returns library_is_free; new reader checkout sessions are disabled.

Deprecated

POST
/api/v1/auth/upgrade

Authorization

bearerAuth
AuthorizationBearer <token>

MMB API key from POST /api/v1/auth/agent, the dashboard, or mmb login. Send as Authorization: Bearer <key>.

In: header

Response Body

application/json

application/json

Complete an email claim

Verifies the emailed code. Claiming does not rotate the key; it removes the anonymous expiry and lifetime cap.

Poll an upgrade checkout session

Returns pending until the Stripe webhook lands, then completed with the updated usage summary.