How to Embed E-Signatures in an iFrame

Steps

1. 1

   Send a document via API and get the signing_url

2. 2

   Embed the signing_url in an iframe in your app

3. 3

   User signs within your application's UI

4. 4

   Signed document delivered via email as usual

5. 5

   No redirect — user stays in your app

Try it with 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.