# Sign a text document

curl -X POST https://api.encypher.com/v1/sign \

-H "Authorization: Bearer ey_your_key_here" \

-H "Content-Type: application/json" \

-d '{"text": "Your article content here.", "metadata": {"author": "Jane Smith", "rights": "bronze"}}'

# Sign an image file

curl -X POST https://api.encypher.com/v1/sign/media \

-H "Authorization: Bearer ey_your_key_here" \

-F "file=@photo.jpg"

# Verify any C2PA-signed content

curl -X POST https://api.encypher.com/v1/verify \

-H "Content-Type: application/json" \

-d '{"text": "Content to verify here."}'

# Install

pip install encypher

# Sign text with sentence-level provenance

from encypher import EncypherClient

client = EncypherClient(api_key="ey_your_key_here")

result = client.sign_text(

text="Your article content here.",

author="Jane Smith",

rights="bronze"

)

signed_text = result.text # Contains invisible provenance markers

# Verify

verification = client.verify_text(signed_text)

print(verification.signer, verification.timestamp)

// Install

npm install @encypher/sdk

// Sign text content

import { EncypherClient } from '@encypher/sdk';

const client = new EncypherClient({ key: 'ey_your_key_here' });

const result = await client.signText({

text: 'Your article content here.',

author: 'Jane Smith',

rights: 'bronze',

});

// Verify (no API key needed)

const verification = await client.verifyText(result.text);

console.log(verification.signer, verification.timestamp);