The complete PDF Processing API toolkit

curl -X POST "https://pdf.toolkitapi.io/v1/pdf/merge" \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"pdfs": ["<base64_pdf_1>", "<base64_pdf_2>"]}'

import httpx
import base64
from pathlib import Path

pdfs = [
    base64.b64encode(Path("a.pdf").read_bytes()).decode(),
    base64.b64encode(Path("b.pdf").read_bytes()).decode(),
]
resp = httpx.post(
    "https://pdf.toolkitapi.io/v1/pdf/merge",
    headers={"X-API-Key": "YOUR_KEY"},
    json={"pdfs": pdfs},
)
merged = base64.b64decode(resp.json()["pdf"])
Path("merged.pdf").write_bytes(merged)

const resp = await fetch("https://pdf.toolkitapi.io/v1/pdf/merge", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": "YOUR_KEY",
  },
  body: JSON.stringify({ pdfs: [base64Pdf1, base64Pdf2] }),
});
const { pdf } = await resp.json();
console.log(`Merged PDF: ${pdf.length} chars base64`);