Create Video from Template: Synthesia action

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Template ID template_id	string	Required	Synthesia template id
Title title	string	Optional	Video title
Template Variables (JSON) template_data	string	Required	JSON object with template variable values
Test Mode test	options	Optional	Test Mode. Options: Yes (free, watermarked), No (charged)

Sample request

{
  "template_id": "{{trigger.template_id}}",
  "title": "{{trigger.title}}",
  "template_data": "{\"first_name\":\"Ankit\",\"company\":\"Acme\"}",
  "test": "{{trigger.test}}"
}

Returns

{
  "id": "vid_abc",
  "status": "in_progress"
}

Use these fields in downstream nodes for routing, logging, or error handling.

FAQ

Questions about Create Video from Template.

What does the Create Video from Template action do in Synthesia?

Fills in a Synthesia template's variables (text, images, links) and renders the personalized video. Perfect for 1:1 outbound, onboarding, or birthday-style campaigns at scale.

What inputs does Create Video from Template require?

Required: Template ID, Template Variables (JSON). Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Synthesia returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Create Video from Template support batch operations?

Yes. Run Create Video from Template inside a Loop node to process arrays. Tiny Command handles Synthesia's rate limits automatically so you don't have to throttle manually.

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