ActionSynthesiaUpdated September 2026

How do I personalize a Synthesia template video?

Short answer: You can create video from template in Synthesia by hand from its own interface, but it won’t repeat itself. On TinyCommand, add the Synthesia Create Video from Template action to a workflow, map its 4 inputs from any upstream app, and it runs automatically every time the trigger fires. No code, and a free tier to start.

Create Video from Template in Synthesia — start free All 6 Synthesia actions

Create Video from Template in Synthesia — start free

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.

Triggered by

Apps that pair well as the trigger for Create Video from Template.

Any of these apps can fire this action as part of a workflow.

Google Sheets → Synthesia

2 Google Sheets triggers

HubSpot → Synthesia

18 HubSpot triggers

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 run history shows the failed step with its input and the error message Synthesia returned, so you can fix the input and run the workflow again. Automatic retries are built into HTTP steps only, where you can also set your own retry count and delay.

Does Create Video from Template support batch operations?

Run Create Video from Template inside a loop to process each item in an array. TinyCommand does not throttle calls for you, so for large arrays add a Delay step if you need to stay within Synthesia's rate limits.

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