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Authentication
Importing Templates
Render API
Quick Start

Design

J2I Studio

Generate

Image Generation
PDF Generation

Guides

Batch renders
Wait and SSE
URL rendering and OG images
Webhooks

Integrations

MCP
Airtable
HTTP from your stack
Klaviyo
n8n
Google Sheets
WordPress

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CLI
Errors
Node.js
PHP
Python

API

API reference
Create a render
Mint a signed URL-render link
Fetch or render a signed image
Get render status
Wait for render completion
Stream render status (SSE)
Download render asset
List templates
Get template layer schema
Create a render batch
Get batch status
render.completed
render.failed

Changelog

Public changelog
Playground, signed image URLs, and Studio
Sign URLs in bulk and checkout return
Fresh template backgrounds
Node SDK and CLI on npm
n8n community node
WordPress plugin
Changelog
Airtable extension
Sheets, Klaviyo, and stacked layouts

Get started

Authentication
Importing Templates
Render API
Quick Start

Design

J2I Studio

Generate

Image Generation
PDF Generation

Guides

Batch renders
Wait and SSE
URL rendering and OG images
Webhooks

Integrations

MCP
Airtable
HTTP from your stack
Klaviyo
n8n
Google Sheets
WordPress

SDKs and reference

Code Examples
CLI
Errors
Node.js
PHP
Python

API

API reference
Create a render
Mint a signed URL-render link
Fetch or render a signed image
Get render status
Wait for render completion
Stream render status (SSE)
Download render asset
List templates
Get template layer schema
Create a render batch
Get batch status
render.completed
render.failed

Changelog

Public changelog
Playground, signed image URLs, and Studio
Sign URLs in bulk and checkout return
Fresh template backgrounds
Node SDK and CLI on npm
n8n community node
WordPress plugin
Changelog
Airtable extension
Sheets, Klaviyo, and stacked layouts

API

Create a render batch

Queue up to 50 renders in one request.

Previous← Get template layer schema NextGet batch status →

Design a template once. Send JSON. Get on-brand PNG, JPG, WebP, AVIF, or PDF — via API, CLI, or your coding agent.

Product

Image generation API
PDF generation API
Charts, QR, and repeat
Template editor
Use cases
AI agents (MCP)
Pricing

Developers

API reference
MCP server
CLI
Signed URLs
Node.js & Bun SDK
Python
PHP
Code examples
OpenAPI spec
Postman collection

Resources

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Integrations
Blog
Changelog
Free tools
OG image generator
Certificate generator
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jsontoimg vs Bannerbear
jsontoimg vs Placid
jsontoimg vs APITemplate.io
jsontoimg vs RenderForm
All comparisons

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