| List budgets | List the budgets the caller may manage with their usage this month, for one project or narrowed to a member or API key. |
| List credit packages | List the credit packages an account can buy and their prices before starting a credit checkout; returns the whole catalogue as one page. |
| List credit transactions | List the credit grants, purchases, refunds and charges of an account, newest first unless sorted otherwise; returns one page of credit transactions. |
| List invoices | List the issued invoices of an account, or with kind upcoming the previews and drafts of what it will be charged next; returns one page of invoices with amounts in minor currency units. |
| List payment methods | List the cards saved for an account and which one is the default; returns one page of payment methods, which are changed in the billing portal. |
| List payments | List the payments an account has made, with their receipt links; returns one page of payments with amounts in minor currency units. |
| Get available seats | Get available seats. |
| Get billing details | Read the name, email, phone, address and tax IDs that appear on the invoices of an account; returns empty details and customer_available false before the account has a billing customer. |
| Get budget | Get a budget and its usage for the current month. |
| Get conversation analytics | Summarize the conversation activity and model use in the projects of an account, optionally for one project or label; returns totals, a daily series and recent conversations, with private titles limited to participants. |
| Get credit balance | Read how many credits an account has left in its monthly and purchased pools, with its monthly allocation and top-up price; returns the balance. |
| Get credit usage | Break the credit spend of an account down by day, project and model, optionally for one project; returns the series with token counts per model. |
| Get subscription | Read the plan, billing cycle, seats and add-ons of an account before changing or cancelling its subscription; returns the subscription with its seat usage. |
| Get usage | Read what an account has used of each plan quota in the current billing period, with its tier, project count, credits spent and warnings; returns usage where a total of -1 means unlimited. |
| Get usage series | Chart one usage metric of an account by day, optionally for one project; returns the daily series with a total and a per-project breakdown. |
| Create billing portal session | Open a Stripe billing portal session where a person changes payment methods, tax details or the renewal of an account; returns the portal URL. |
| Create budget | Create a monthly AI spending limit for a project, a member on a project, an API key, or a combination of these. |
| Create credit checkout | Start a Stripe checkout to buy a credit package for an account, or for the account that owns a project; returns the checkout URL. |
| Update billing details | Change the name, email, phone or address on the invoices of an account, where an omitted field keeps its value and null clears it; returns the updated billing details. |
| Update budget | Change the monthly limit of a budget, keeping its scope and this month’s usage. |
| Update subscription | Change the plan, billing cycle, seats or add-ons of an account; returns what changed, or a checkout URL when the change needs payment. |
| Delete budget | Delete budget. |
| Cancel subscription | Schedule the paid subscription of an account to end with its current billing period; returns the canceled subscription. |
| Check feature gate | Check whether a plan allows a feature before offering it, for the caller or for the owner of a project; returns allowed with the required tier, limit and current count, and a denied gate is a result, not an error. |
| Redeem credit coupon | Redeem a coupon code for credits on an account; returns the credits granted and the new balance, or already_redeemed for a code the account used before. |
