AsyncAPI channel · Sendspark
· Sendspark Webhooks
{subscriberUrl}
Channel address
{subscriberUrl}
Parameters
subscriberUrl— The HTTPS endpoint registered on the webhook subscription.
Operations
receive
receiveVideoEvent
Messages
video_request_received
A dynamic video generation request was received.
Content-Type:
video_generated_dv
A dynamic video was generated.
Content-Type:
video_mp4_ready
The rendered MP4 is ready.
Content-Type:
video_generated_error
Video generation failed with an error.
Content-Type:
video_played
The viewer started playing the video.
Content-Type:
video_watched
The viewer watched the video.
Content-Type:
video_viewed
The video landing page was viewed.
Content-Type:
video_liked
The viewer liked the video.
Content-Type:
video_cta_clicked
The viewer clicked the call-to-action.
Content-Type:
About AsyncAPI
The AsyncAPI specification describes event-driven APIs the way OpenAPI describes request/response APIs. A channel is the named pipe — a webhook URL, a Kafka topic, a WebSocket route, an MQTT subject — that producers and consumers publish or subscribe to. Each channel carries one or more messages with structured payloads, and an operation declares whether a given party sends or receives on that channel.
Browse every event-driven channel on the APIs.io network or compare with the broader Agent Skill and MCP server surfaces of the same providers.