Hedra Public API is published by Hedra on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Public. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and a quickstart.
This API exposes
9 operations
across 7 paths,
and defines 64 schemas.
It is described by OpenAPI 3.1.0, at version 0.1.0.
Requests are made against a single base URL, /web-app.
9 operations7 paths64 schemas6 GET3 POST
Metadata
The identity and technical contract details declared by the specification.
Specification
OpenAPI 3.1.0
API Version
0.1.0
Base URL
https://api.hedra.com/web-app
Authentication
API Key
Resource Areas
1
Authentication & Security 1
Hedra Public API declares
1 security scheme
for authenticating requests.
An API key is passed in the header as X-API-Key (APIKeyHeader).
Paths & Operations 9
Across 7 paths, the API surfaces 9 operations — 6 GET, 3 POST. Each is listed below with its method, path, parameters, and response codes.
The contract defines 64 schemas that model the data the API accepts and returns. The most detailed are GenerateVideoResponse (31 properties), AIModel (28 properties), GenerateImageResponse (25 properties), GenerateVideoRequest (23 properties). Each schema is shown below with its type and property counts.
GenerateVideoToVideoRequest
object
Video-to-video edit request for Kling O1 Edit model. Transforms videos using natural language while preserving motion.
14 properties2 required
NormalizedPoint
array
GenerateSpeechToSpeechRequest
object
11 properties2 required
GeneratedImage
object
5 properties4 required
GenerateTextToSoundResponse
object
20 properties6 required
BatchImageResultItem
object
Individual result item in a batch image generation.
6 properties3 required
ValidationError
object
5 properties3 required
GenerateVideoRequest
object
23 properties1 required
GeneratedImageInputs
object
7 properties1 required
GeneratedAudioInputs
object
8 properties1 required
AIModel
object
28 properties5 required
GenerateVideoUpscaleResponse
object
18 properties6 required
GenerateIsolatedAudioRequest
object
10 properties1 required
GenerateTextToSpeechRequest
object
15 properties2 required
WorkspaceCreditUsage
object
Per-workspace credit usage for the current period, from the workspace credit pool. All three fields are display credits and stay continuous across the USD cuto…
6 properties3 required
Body_upload_asset_public_assets__id__upload_post
object
1 property1 required
Asset
object
10 properties5 required
Uploaded3D
object
3 properties2 required
HTTPValidationError
object
1 property
GenerateSpeechToSpeechResponse
object
17 properties7 required
GenerateVideoToVideoResponse
object
20 properties7 required
GenerateImageResponse
object
25 properties6 required
SupportedLanguage
string
VoiceLabel
object
2 properties2 required
PagedResponse_Generation_
object
2 properties2 required
GenerationStatusResponse
object
12 properties6 required
InputSlot
object
A typed input slot describing one kind of input a model accepts. Each slot has a media type (image, video, audio) and a role that distinguishes it from other s…
10 properties2 required
GenerationError
object
2 properties2 required
Voice
object
5 properties
GenerationType
string
Generation type enum NOTE: this enum is used to determine the type of generation and is used to determine the type of asset that will be generated.
GenerateImageUpscaleResponse
object
18 properties6 required
GeneratedVideo
object
17 properties7 required
VideoShot
object
A single shot in a multi-shot video generation.
2 properties2 required
GenerateTextToSoundRequest
object
14 properties1 required
CreateAssetResponse
object
6 properties3 required
PageInfo
object
2 properties2 required
GenerateIsolatedAudioResponse
object
16 properties6 required
GenerationStatus
string
GenerateImageUpscaleRequest
object
12 properties1 required
ErrorCode
string
Universal error code space. Modeled after gRPC status codes. Every exception in the system carries an ErrorCode. SDK clients map 3rd-party errors to these code…
KlingEditElement
object
Element for character/subject consistency in Kling video generation. Reference as @Element1, @Element2, etc. in prompt.
2 properties1 required
InputMode
object
A named input mode grouping mutually exclusive input slots. Each mode represents a distinct way to use the model (e.g., imagetovideo vs firstlastframetovideo).…
2 properties2 required
BatchVideoResultItem
object
Individual result item in a batch video generation.
7 properties3 required
Generation
object
14 properties6 required
GenerateMotionControlRequest
object
Motion Control request for transferring motion from a reference video to a character image. Processed through V2V infrastructure internally.
12 properties3 required
GenerateImageRequest
object
17 properties1 required
UploadedVideo
object
8 properties4 required
Pricing
object
Extensible pricing information for AI models. Price is calculated as: credits = ceil((basecost + creditspersecond durationseconds) product(modifiers)) For vide…
3 properties
Dimension
object
2 properties2 required
PagingParams
object
2 properties
GenerateVoiceCloneResponse
object
15 properties7 required
UploadedAudio
object
4 properties2 required
AssetType
string
UploadedImage
object
4 properties3 required
AIModelPrice
object
3 properties3 required
GenerateTextToSpeechResponse
object
21 properties7 required
GenerateVideoUpscaleRequest
object
12 properties1 required
GenerateMotionControlResponse
object
Response for Motion Control generations.
18 properties8 required
GeneratedAudio
object
5 properties3 required
CreateAssetRequest
object
4 properties2 required
GenerateVoiceCloneRequest
object
9 properties2 required
GenerateVideoResponse
object
31 properties6 required
CreditBalance
object
Information about the current balance of Credits and usage.
5 properties3 required
GeneratedVideoInputs
object
11 properties1 required
Specification
The full machine-readable OpenAPI contract behind this narrative.
