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AssemblyAI ACTION

Create Captions

Export your completed transcripts in SRT (srt) or VTT (vtt) format, which can be used for subtitles and closed captions in videos. See the documentation
  • Action
  • Writes data
  • Destructive
  • API key
  • SDK
  • MCP

IMPLEMENTATION

Call this tool

Connect a user's AssemblyAI account once, then configure and run Create Captions from your backend or agent.

import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "assemblyai-create-captions",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    assemblyai: { authProvisionId: "apn_xxxxxxx" },
    transcriptId: "Transcript",
    subtitleFormat: "Subtitle Format",
  },
})

console.log(result)

SCHEMA

Inputs

Pipedream supplies the connected account. Your application provides the operation-specific values below. Dynamic inputs are resolved against that user's account.

Create Captions inputs
Property Type Description
transcriptId Transcript string
Identifier of a transcript
Required Dynamic
subtitleFormat Subtitle Format string
Format used for subtitles or closed captioning
Required

REFERENCE

Tool details

Behavior hints are published with the component in the Pipedream registry and surface as MCP tool annotations, so an agent can reason about a tool before it calls it.

Registry key
assemblyai-create-captions
Version
0.0.5
App
AssemblyAI
Authentication
API key
Read-only
No
Destructive
Yes
Open world
Yes