Concurrency
Concurrency is the number of simultaneous active calls your account can run. Check your current concurrency inGET /user/me:
Rate limits
The API is rate-limited per account. If you exceed the limit you receive HTTP429. Apply exponential backoff and retry:
Batch limits
CSV requirements
Webhook delivery
Wallet & balance
Calls require wallet credits. Abalance-low execution status means the call was not placed due to insufficient balance. Top up from the dashboard or contact support for invoice billing.
