Guide

How to Sign a PDF Online

Already have a PDF? Send it for e-signature without converting or editing.

Steps

  1. 1

    Host your PDF at a public URL

  2. 2

    Call the Signbee API with the pdf_url parameter

  3. 3

    Recipient gets a signing link by email

  4. 4

    Both parties sign and receive the final PDF

  5. 5

    SHA-256 certificate appended to your original PDF

Try it with curl

curl
curl -X POST https://signb.ee/api/send \
  -H "Content-Type: application/json" \
  -d '{
    "content": "# Your Document\n\nContent here...",
    "senderName": "Your Name",
    "senderEmail": "you@email.com",
    "recipientName": "Recipient",
    "recipientEmail": "recipient@email.com"
  }'

Legal validity

Electronic signatures are legally binding under the ESIGN Act (US), eIDAS Regulation (EU), and Electronic Communications Act (UK). Every Signbee document includes a SHA-256 tamper-proof certificate.

Related resources

Try Signbee — free, no credit card.