Merge PDFs

curl -X POST https://api.formepdf.com/v1/merge \
  -H "Authorization: Bearer forme_sk_abc123..." \
  -H "Content-Type: application/json" \
  -d "{
    \"pdfs\": [
      \"$(base64 -w0 invoice.pdf)\",
      \"$(base64 -w0 terms.pdf)\"
    ]
  }" \
  --output combined.pdf

import fs from 'fs';

const invoice = fs.readFileSync('invoice.pdf').toString('base64');
const terms = fs.readFileSync('terms.pdf').toString('base64');

const res = await fetch('https://api.formepdf.com/v1/merge', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer forme_sk_abc123...',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({ pdfs: [invoice, terms] }),
});

const merged = Buffer.from(await res.arrayBuffer());
fs.writeFileSync('combined.pdf', merged);

import requests
import base64

invoice = base64.b64encode(open("invoice.pdf", "rb").read()).decode()
terms = base64.b64encode(open("terms.pdf", "rb").read()).decode()

res = requests.post(
    "https://api.formepdf.com/v1/merge",
    headers={
        "Authorization": "Bearer forme_sk_abc123...",
        "Content-Type": "application/json",
    },
    json={"pdfs": [invoice, terms]},
)

with open("combined.pdf", "wb") as f:
    f.write(res.content)

invoice, _ := os.ReadFile("invoice.pdf")
terms, _ := os.ReadFile("terms.pdf")

body, _ := json.Marshal(map[string]any{
	"pdfs": []string{
		base64.StdEncoding.EncodeToString(invoice),
		base64.StdEncoding.EncodeToString(terms),
	},
})

req, _ := http.NewRequest("POST", "https://api.formepdf.com/v1/merge", bytes.NewReader(body))
req.Header.Set("Authorization", "Bearer forme_sk_abc123...")
req.Header.Set("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()

out, _ := os.Create("combined.pdf")
io.Copy(out, res.Body)