Overview
Chainpoint anchors any data hash to the Bitcoin blockchain, creating a tamper-proof proof of existence for documents, records, or any digital content. It returns a cryptographic proof you can verify independently.
Beginner Tip
Submit a SHA-256 hash of your data (not the raw data itself) — this keeps your content private while still creating an immutable timestamp on the blockchain.
Available Data
The kind of data this API exposes, based on its documentation. We could not call the endpoint to confirm the exact field names.
Example Response
Illustrative shape only — we were not able to call this endpoint (it requires credentials or exposes no public sample URL), so the fields below show the kind of data this API returns rather than a recorded response.
{
"id": "bitcoin",
"symbol": "btc",
"current_price": 65432.1,
"market_cap": 1280000000000,
"price_change_24h": 1250.5,
"price_change_percentage_24h": 1.95,
"total_volume": 28500000000
} Field Reference
hash_id_node UUID that identifies your submitted hash on this specific node; save it to retrieve the proof later. hash Echo of the SHA-256 hash you submitted for anchoring. submitted_at ISO 8601 timestamp of when the hash was accepted by the node. processing_hints.btc Estimated ISO 8601 timestamp for when the Bitcoin anchor proof will be available (typically ~60-90 minutes). Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://a.chainpoint.org/hashes";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Metadata Score Breakdown
Estimated from metadata — endpoint not independently tested
Metadata estimate · endpoint not independently tested
Technical Specifications
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