published

Chainpoint

The Chainpoint API provides free access to create verifiable proofs of existence through blockchain timestamping, ensuring data integrity suitable for various sectors.

Developed by Chainpoint Foundation

Live API
99.90%Uptime
150msLatency
8Stars
No AuthAuth
NoCredit Card
RESTStyle
v3Version
API Endpoints

Reference for available routes, request structures, and live examples.

Creates cryptographic proof for data

Full Endpoint URL
https://chainpoint.org/hashes
Implementation Example
curl -X POST 'https://chainpoint.org/hashes'
Request Payload
{
  "hash": "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae"
}
Expected Response
{
  "proof_id": "1a0b9d8f-1234-5678-90ab-cdef01234567"
}
Version:v1
Real-World Applications
  • Verifying contract creation times in finance applicationsOptimized Capability
  • Providing tamper evidence for legal documentsOptimized Capability
  • Maintaining audit logs for data management systemsOptimized Capability
  • Integrating proof of existence functionality into digital applicationsOptimized Capability
  • Securing timestamps for intellectual property and digital assetsOptimized Capability
Advantages
  • ✓ No authentication required, enabling easy access and testing
  • ✓ Decentralized and secure blockchain-based timestamping
  • ✓ Supports submission of arbitrary data and hashes
  • ✓ Free to use with no documented rate limits, great for scaling
Limitations
  • ✗ No formal rate limiting or usage monitoring which may affect reliability
  • ✗ Limited SDK support officially available, requiring more manual integration
  • ✗ Lacks built-in authentication may raise security concerns in some scenarios
  • ✗ Documentation may require better examples for some edge cases

FAQs

API Specifications

v3
Pricing Model
Free
Credit Card
Not Required
Response Formats
JSON
Supported Languages
6 Languages
SDK Support
JavaScript, Python
Time to Hello World

Minutes, due to no authentication and simple REST interface.

Rate Limit

No documented limits

Free Tier Usage

Unlimited free usage with no authentication and no rate limits documented.

Use Case: Best For

Developers needing free, easy-to-use blockchain timestamping proof services.

Not Recommended For

Applications requiring strict access controls or formal API usage monitoring.

Resources

Documentation Official Website Pricing Details Postman Collection
#verification#blockchain

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