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How to use Seedance 2.5 for free, whether a free trial exists, the three shapes reseller offers take, and why free tiers withhold exactly what 2.5 is for.

How to use Seedance 2.5 through the hosted API: every request field and its limits, reference media rules, the polling loop, billed seconds and error 80006.

How to use Seedance step by step: pick a version, set duration and resolution, write a prompt with dialogue, submit, poll for the result and control the cost.

How to make videos from reference image inputs: 30 images per request, accepted formats, public URL hosting, what the prompt still does, and what it all costs.

How to prompt Seedance 2.5: shot structure, quoted lines that become spoken dialogue, reference images over adjectives, and what triggers a refusal.

The recurring Seedance 2.5 Reddit questions answered against verified specs: refusals, the 4K that never shipped, surprise bills, and 2.0 versus 2.5.