Estimate cost — VisionStory API

Estimate the credits a generation will cost before submitting, using the same formula as the actual charge. Omit resolution to price the model default.

Beta: available to allowlisted API keys; standard per-key rate limits apply.

Headers

X-API-Keystringrequired

Your VisionStory API key (sk-vs-...), kept server-side. Create or manage keys in API keys (Pro plan and up).

Query parameters

model_idstringrequired

Model to price for. Use an id from GET /api/v1/ai_video/models, e.g. seedance-2.0.

duration_secintegerrequired

Clip length in seconds to price. Must be an allowed value for the model (see GET /api/v1/ai_video/models).

resolutionstring | null

Output resolution to price, e.g. 720p / 1080p. Allowed values vary by model; omit to use the model default.

generate_audioboolean | null

Whether the estimate should include a native audio track. Omit to use the model default.

Responses

200Successful Response

application/json

dataAiVideoCostResponse | nullrequirednullable

The endpoint payload. Its shape is specific to each endpoint (see that endpoint's response schema); null for operations that return no body, such as delete.

creditintegerrequired

Estimated credits the generation will cost with the given parameters. Uses the same formula as the actual charge.

messagestring

Human-readable status message; "success" on a successful call.

Default: success

server_timestring · date-timerequired

Server-side timestamp when the response was produced, in ISO 8601 format (UTC).

defaultError response. All failures share one envelope: an error object with a numeric code, a human-readable message, an optional details string, and an optional hint giving an actionable next step (useful for AI agents).

application/json

errorErrorDetailrequired

codeintegerrequired

Machine-readable error code. Mirrors the HTTP status for transport-level failures (e.g. 401, 404, 422, 500) and may carry a business-specific code otherwise.

detailsstring | nullnullable

Optional structured detail about the failure, e.g. a JSON string of per-field validation errors on a 422. Absent when there is nothing extra to report.

hintstring | nullnullable

Actionable next step for resolving the error, written for both humans and AI agents (e.g. how to fix the request, or where to obtain an API key). May be absent.

messagestringrequired

Human-readable explanation of what went wrong. Safe to log or surface to end users; not localized.