Billing API

These client-facing endpoints manage account plans, wallet funds, project add-ons, coupons, referrals, and renewal settings. Billing-provider callbacks are not part of the public API.

GET /api/billing/overview

Returns the current account billing overview.

GET /api/billing/wallet/overview

Returns the account balance and wallet overview.

POST /api/billing/wallet/crypto-topup

Creates a crypto balance top-up.

POST /api/billing/wallet/topup/refresh

Refreshes the state of a balance top-up.

POST /api/billing/account-plan/balance-purchase

Purchases or upgrades an account plan using the wallet balance.

POST /api/billing/account-plan/checkout

Creates a checkout for an account plan.

POST /api/billing/account-plan/crypto-checkout

Creates a direct crypto checkout for an account plan.

POST /api/billing/project-addon/balance-purchase

Purchases a project free-access add-on using the wallet balance.

POST /api/billing/project-addon/checkout

Creates a checkout for a project add-on.

POST /api/billing/project-addon/crypto-checkout

Creates a direct crypto checkout for a project add-on.

POST /api/billing/coupon/redeem

Redeems a coupon.

POST /api/billing/coupon/gift-purchase

Purchases a gift coupon using the wallet balance.

GET /api/billing/referral/overview

Returns the referral balance and link summary.

POST /api/billing/referral/link/create

Creates a referral link.

POST /api/billing/referral/claim

Claims a referral code.

POST /api/billing/subscription/update-renewal

Updates automatic billing renewal.

POST /api/billing/crypto-checkout/refresh

Refreshes the state of a crypto checkout.

POST /api/billing/crypto-checkout/cancel

Cancels a crypto checkout.