Browsing is free — connect and ask questions without a balance. Your first paid action can unlock $0.50 starter balance with a quick phone verify, and NinjaChat subscribers get $1.00 of MCP allowance every month.
Prices
estimate_cost is free and returns the exact price before anything runs.
Most video models are one flat price no matter the duration. seedance-lite and seedance-pro are duration-aware instead: the listed price covers generations up to the included duration, and each additional started second bills at the per-second rate shown. Pass duration to estimate_cost to get the exact price for a specific length before running.
Money is safe by design
Hard budgets
max_spend_cents on any call, total_budget_cents on bakeoffs — tools error instead of exceeding them.Automatic refunds
A video job that fails after being charged refunds itself. You never pay for output you didn’t get.
Safe retries
Pass an
idempotency_key — the same key + body never double-bills.Monthly limit
Set a cap in Developers → Billing. It’s reserved before deduction — an over-limit call never touches your balance.
Rate limits
Per account, per minute:
Limited calls return
rate_limited with retryAfterSeconds — agents wait and retry.