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Sections

Get started
Welcome
Overview
- Platform overview
- How Spendstream works
- Choose your integration model
- Product configuration
Quickstart
- Environments
- Authentication guide
- API quickstart
Choose your path
White-label
- White-label single sign-on guide
- Testing payments on staging
Full API
- Users guide
- Brands guide
- Categories guide
- Promotions guide
Gift cards and payments
- Gift cards resource guide
- Payments guide
- Pay by bank
- Hosted payment model
- Balances guide
- Prepaid balance management
- Gift card testing
Cashback and affiliates
- Cashback guide
- Transactions guide
- Rewards and commission
- Gift cards and affiliates together
- Affiliate testing
Build
Webhook guides
- Webhooks overview
- USER_UPDATED
- TRANSACTION_UPDATED
- Webhook security
- Webhook processing best practices
- Webhook testing
Security and support
- Credential security
- Data handling
- Fraud and duplicate prevention
- Support responsibilities
API reference
Authentication
- POST
  Exchange API credentials for a bearer token valid for 10 hours.
Users
- GET
  List users registered against the calling publisher.
- POST
  Register a new end-user against the calling publisher.
- POST
  Update attributes on an existing user record.
- POST
  Record a user activity log entry against a token.
- POST
  Set a user's email-reminder opt-in preference.
Brands
- GET
  List the brand catalogue available to the calling publisher.
Categories
- GET
  List brand categories.
Promotions
- GET
  List active promotions (flat, minimal) — deprecated.
- GET
  List active promotions with embedded brand detail.
Gift Cards
- POST
  Process a gift card fulfilment from a pre-existing order in the publisher's database.
- POST
  Issue a gift card directly via the API (self-contained request).
- POST
  Check the remaining balance on an issued gift card.
Payments
- POST
  Generate a hosted payment gateway URL for a gift card purchase.
- GET
  List the UK banks a customer can pay from (pay by bank).
- POST
  Create a pay by bank link for a gift card purchase.
Balances
- GET
  Check the calling publisher's prepaid float balance.
Cashback
- GET
  List active affiliate commission offers (primary variant).
Transactions
- GET
  List transactions attributable to the calling publisher's users.
- POST
  Flag an affiliate transaction as paid to the end-user.
Webhooks
- POST
  USER_UPDATED webhook
- POST
  TRANSACTION_UPDATED webhook
Test and launch
Go live
- Staging testing
- Production readiness
- Go-live checklist
- Reconciliation
Resources
Reference
- Glossary
- Status meanings
- Common implementation mistakes
- FAQ
- Changelog

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