Free AI video API calls on Sume: unbilled checks, flat fees
Which Sume API calls are unbilled, which routes need no API key, and which paid calls charge one flat amount per call instead of a metered rate.
Pricing
How Sume bills API work: plans and one wallet, what one run cost, estimates before you run, avatar video rates, failed jobs, and 402 errors.
Start with: How Sume pricing works: plans, one wallet, published model rates
What is the Sume agent fee? The default 5.5%, explained
The Sume agent fee is charged on top of a request's model amount, 5.5% by default. Where the API reports it, and how to read the fee line.
Estimate AI video generation cost before running a Sume job
See what an AI video will cost on Sume before paying: published rates, GET /v1/catalog estimates, unbilled plan checks, MCP dry runs, and spend caps.
AI avatar video API pricing: cost per second and per minute
Sume bills AI avatar video per second by quality tier, with separate rates when you send a product image. Per-minute costs for standard, plus, and max.
Do failed AI video generations cost credits? Reserve, capture, refund
No. Sume reserves a job's estimated USD cost at submit, captures usage only on completion, and releases or refunds the hold if the job fails or is canceled.
Insufficient credits error 402 on the Sume API: add funds and retry
A Sume 402 insufficient_credits means the balance cannot cover the request's estimated cost, so nothing ran. Check GET /v1/balance, add funds, then retry.
AI video generation cost per video: what one Sume API run cost
To see what one Sume run or video job cost, call GET /v1/usage with run_id or job_id and read debited_usd: the wallet deduction, agent turns included.
How Sume pricing works: plans, one wallet, published model rates
Sume plans set access and concurrency. Usage draws from one prepaid wallet at each model's published USD rate, for generation, the Agent, Formats, and the API.