Profile banners

X profile header

Fill an X header with a big headline, a short line, and your link.

File types: PNGJPEGWebP
Size: 1500 × 500 px
Use case: Profile banners
Licence: Free to copy and use in your own templates
Source: Made by thirds.ai with the open-licence Fraunces font, original graphic marks, and fictional sample names.

A wide forest-green X header with the cream serif headline Walk further., a butter-yellow sun on the right, three layers of green hills along the bottom, and a yellow pill with the link fernwaytrails.example. — x-header/template.html

About this design

What you can make with it.

Small brands and writers use this header at the top of an X profile. The headline and short line stay clear of the corner where your profile picture sits. Change the words, link, and colours for your brand.

Your details

What you can change.

These are the words and numbers you swap for your own. The design stays the same.

KickerA short text.
HeadlineA short text.
SupportingA short text.
LinkA short text.
Background colourA colour.
Accent colourA colour.

{
  "kicker": "Fernway Trails · Guided hill days",
  "headline": "Walk further.",
  "supporting": "Small groups in the Lakes and Eryri, from £45 a day.",
  "link": "fernwaytrails.example",
  "background_colour": "#173D2C",
  "accent_colour": "#F6D776"
}

For developers

Make this file from your code or your AI tools.

Save your copy once, then send the new details with each request. Each finished file costs 1 credit.

curl https://thirds.ai/v1/image \
  -H "Authorization: Bearer $THIRDS_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: x-header-1" \
  -d '{"template_id":"tpl_your_copy","version":1,"data":{"kicker":"Fernway Trails · Guided hill days","headline":"Walk further.","supporting":"Small groups in the Lakes and Eryri, from £45 a day.","link":"fernwaytrails.example","background_colour":"#173D2C","accent_colour":"#F6D776"},"image":{"format":"png","width":1500,"height":500}}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "render",
    "arguments": {
      "output": "png",
      "idempotency_key": "x-header-1",
      "request": {
        "template_id": "tpl_your_copy",
        "version": 1,
        "data": {
          "kicker": "Fernway Trails · Guided hill days",
          "headline": "Walk further.",
          "supporting": "Small groups in the Lakes and Eryri, from £45 a day.",
          "link": "fernwaytrails.example",
          "background_colour": "#173D2C",
          "accent_colour": "#F6D776"
        },
        "image": {
          "width": 1500,
          "height": 500
        }
      }
    }
  }
}