published

Chainpoint

Chainpoint API allows developers to create verifiable proof of existence for data by utilizing blockchain timestamping, ideal for various industry applications.

Developed by Chainpoint Foundation

99.90%Uptime
250msLatency
320Stars
API KeyAuth
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
  • Timestamping legal documentsOptimized Capability
  • Verifying financial transaction recordsOptimized Capability
  • Securing IoT data logsOptimized Capability
  • Auditing compliance dataOptimized Capability
Advantages
  • Immutable proof anchored to blockchain
  • Open‑source SDKs available
  • High availability SLA
  • Simple REST interface
Limitations
  • Requires understanding of Merkle proofs
  • Limited free tier throughput
  • No native support for binary formats (pre‑hash required)
  • Latency depends on blockchain anchoring frequency

FAQs

API Specifications

v3
Pricing Model
tiered pay‑as‑you‑go after free tier
Credit Card
Not Required
Response Formats
JSON
Supported Languages
5 Languages
SDK Support
JavaScript SDK, Python SDK, Java SDK
Time to Hello World

5 minutes

Rate Limit

1000 requests per minute

Free Tier Usage

Up to 1,000 proofs per month free

Use Case: Best For

Developers needing decentralized, tamper‑evident timestamping

Not Recommended For

High‑throughput real‑time streaming without batching

#verification#blockchain

Explore Related APIs

Discover similar APIs to Chainpoint

View All APIs
FREEMIUM

Covalent API

The Covalent API offers developers free access to aggregate blockchain data from over 100 networks, facilitating the building of multi-chain applications.

BlockchainView Details
FREEMIUM

Etherscan API

The Etherscan API offers developers free access to comprehensive Ethereum blockchain data, suitable for applications such as crypto wallets and analytics tools.

BlockchainView Details
FREEMIUM

The Graph API

The Graph API allows developers to efficiently query blockchain data using GraphQL, organizing data from Ethereum and Polygon networks into subgraphs for real-time access.

BlockchainView Details