Billing
Payment and plans
API access is available after a customer buys a plan and the subscription is active. The plan controls how many sessions the customer can create and the monthly message volume available through the API.
How payment unlocks API access
1
Choose a plan
The customer selects Basic, Standard, Premium, or a custom plan.
2
Complete checkout
After payment succeeds, the account becomes active and an API key is available.
3
Use the API
External systems can call documented endpoints with the customer API key.
Plan API limits
| Plan | Session limit | Message limit |
|---|---|---|
| Basic | 1 session | 5,000 messages/mo |
| Standard | 10 sessions | 50,000 messages/mo |
| Premium | 25 sessions | 125,000 messages/mo |
| Custom or test plan | Use a feature line such as 5 sessions | Use a feature line such as 50,000 messages/mo |