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POST
Start a model generation operation

Authorizations

Authorization
string
header
required

Mint API key sent as a Bearer token.

Headers

Idempotency-Key
string

Optional stable key for safely retrying an uncertain mutating request. Mint creates an internal key when this header is omitted. Reusing a supplied key with different parameters returns 409.

Required string length: 1 - 255

Body

application/json

Instructions for creating one 3D Model.

prompt
string
required

Describe the 3D Model Mint should create.

Required string length: 1 - 8000
name
string

Optional 3D Model title shown in Mint; Mint derives one from the prompt when omitted.

Required string length: 1 - 120
generationMode
enum<string>
default:auto

Workflow behavior. auto is the default and continues to the final asset; review pauses at Preview for approval or revision. See Preview-based generation.

Available options:
auto,
review
generationPreset
enum<string>
default:standard

Quality, speed, and cost tier; Mint selects the underlying generation model.

Available options:
fast,
standard,
production
imageUrl
string<uri>

One public HTTPS reference image for visual guidance; do not combine with sourceImages.

sourceImages
string<uri>[]

Two to eight public HTTPS reference images, such as alternate views of one object; do not combine with imageUrl.

Required array length: 2 - 8 elements
riggingPose
enum<string>

Prepare a humanoid character Preview in the selected neutral pose with a front-facing full-body view and empty hands. This does not rig or animate the model.

Available options:
t_pose,
a_pose

Response

An earlier request with the same retry key returned this operation.

A long-running operation acting on one Mint model.

object
string
required

Stable object discriminator.

Allowed value: "operation"
id
string
required

Mint operation ID used for polling.

type
enum<string>
required

The work this operation performs.

Available options:
model_generation
generationMode
enum<string>
required

Workflow mode for this operation.

Available options:
auto,
review
status
enum<string>
required

Current operation lifecycle status.

Available options:
queued,
running,
preview_ready,
billing_required,
succeeded,
partially_succeeded,
failed,
canceled
resource
object | null
required

The Mint asset created by this operation, or null before the asset exists.

createdAt
string<date-time>
required

When the operation was created.

updatedAt
string<date-time>
required

When the operation last changed.

prompt
string

Developer-supplied generation brief or revision feedback.

generationPreset
enum<string>

Public generation preset selected for this operation.

Available options:
fast,
standard,
production
assets
object

Generated model files when available.

billing
object

The billing action required before this operation can continue.

credits
object

Credit estimate, active reservation, finalized charge, and post-reservation balance for this operation.

error
object

Terminal failure details when the operation failed.

completedAt
string<date-time>

When the operation completed.

canceledAt
string<date-time>

When the operation was canceled.