# Prompt402 pricing

Live Higgsfield upstream pricing plus a fixed 10% service markup. No subscription. Pay per request in USDC.

- Calculation: ceil(ceil(upstreamUsd * 1000000) * 110 / 100)
- Result unit: micro-USDC
- Rounding: Round the upstream USD estimate up to micro-USD, apply 10%, then round up to micro-USDC.
- Quote cache: up to 60 seconds for the same normalized request.
- The x402 402 challenge contains the payable amount. A prior quote is not a price lock.
- Settlement: Upfront, before upstream submission. Rejected submissions are recorded for refund review; refunds are not automatic.
- Production: Base (eip155:8453); development and preview: Base Sepolia (eip155:84532), test USDC.
- Supported operations: bytedance/seedance-2.0/text-to-video, bytedance/seedance-2.5/text-to-video.
- No hardcoded model price or universal lowest-price claim.

[Pricing page](https://prompt402.com/pricing) | [Pricing JSON](https://prompt402.com/pricing.json) | [API docs](https://prompt402.com/docs#quote)

Policy reviewed: 2026-09-17. Model availability and upstream prices may change.