Sale / Promo Header Template

1500 × 500px · Twitter/X Header

High-contrast sale header with a limited-time label, big discount, and code.

twitterxheadersalepromo

Free to start · 50 renders included · no credit card required.

Editable fields

Override any of these when you clone the template or generate via the API.

Field	Type	Required	Default
label	text	No	LIMITED TIME
headline	text	No	40% OFF
code	text	No	Use code LAUNCH40 at checkout

Generate this template via API

Render it on demand from any language, or use the official TypeScript SDK.

bash

# Public render — returns a PNG (no auth needed for public templates)
curl "https://renderfa.st/api/render?templateId=0a1b2c3d-0018-4a00-8a00-000000000018" --output image.png

TypeScript

import { createClient, postApiGenerate } from '@renderfast/client';

const client = createClient({
  baseUrl: 'https://renderfa.st',
  headers: { Authorization: 'Bearer ' + process.env.RENDERFAST_API_KEY }
});

const { data, error } = await postApiGenerate({
  client,
  body: {
    templateId: '0a1b2c3d-0018-4a00-8a00-000000000018',
    layers: {
      "label": {
        "text": "LIMITED TIME"
      },
      "headline": {
        "text": "40% OFF"
      },
      "code": {
        "text": "Use code LAUNCH40 at checkout"
      }
    }
  }
});

if (error) throw error;
console.log(data.imageUrl);