API keys

Call the PrintResize tools from scripts, agents, and integrations. A key runs on your account and spends the same credits at the same per-run prices as the website. Failed runs refund automatically.

Read the full API reference

Use it

cURL

curl -X POST https://printresize.com/api/refit \
  -H "Authorization: Bearer pr_your_key" \
  -F "imageUrl=https://example.com/swatch.png" \
  -F "widthCm=120" -F "heightCm=40"

Python

import requests

res = requests.post(
    "https://printresize.com/api/refit",
    headers={"Authorization": "Bearer pr_your_key"},
    data={
        "imageUrl": "https://example.com/swatch.png",
        "widthCm": 120,
        "heightCm": 40,
    },
)
print(res.json())

JavaScript

const form = new FormData();
form.set("imageUrl", "https://example.com/swatch.png");
form.set("widthCm", "120");
form.set("heightCm", "40");

const res = await fetch("https://printresize.com/api/refit", {
  method: "POST",
  headers: { Authorization: "Bearer pr_your_key" },
  body: form,
});
console.log(await res.json());

Submit a run, poll the task, download the file — the full flow with every parameter is in the reference: Read the full API reference