BlockCypher - Bitcoin and Blockchain Web Services

Blockchain Web Services

BlockCypher is the infrastructure fabric for blockchain applications

For Business For Developers For Miners

Considering a blockchain project? Contact us.

Featured Customer Stories

Detailed case studies and white papers available upon request: contact@blockcypher.com

Client Spotlight

Features

Multiple Data Centers

Our architecture allows us to run in multiple data centers for redundancy and low-latency.

APIs

Simple and easy web APIs (REST) enable developers to build blockchain applications quickly and confidently.

Cloud Infrastructure

Our modular, cloud-optimized architecture is enterprise-grade for scalability, performance and reliability.

Robust Data Stores

We maintain a cluster of distributed databases which contain all transactional data for the entire blockchain.

Hosted Full Blockchain Nodes

We host full-node blockchains for optimal security in validating and relaying transactions.

24/7 Support

Our focus is to make our customers successful as they build their next-generation blockchain applications.

Multisig

Request multiple signatures

{
"inputs": [{"addresses": [sourceAddr]}],
"outputs": [{
"addresses"   : [pubkey1, pubkey2, pubkey3],
"script_type" : "multisig-2-of-3",
"value"       : 250000,
}]
}

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WebHooks

Get notified on any blockchain event

{
"event": "unconfirmed-tx",
"url": "https://mysite.com/callbacks"
"address": "15qx9ug952GWGTNn7Uiv6vode4RcGrRemh",
"token": "0aad35a575ebf058e61116a65"
}

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Accept Payments

Get unique payment addresses that forward automatically

https://api.blockcypher.com/v1/btc/main/payments
{
"input_address": "16uKw7GsQSzfMaVTcT7...",
"destination" : "15qx9ug952GWGTNn7Uiv...",
"callback_url": "https://mydomain.com/cb/payments"
"token"       : "37048cd01f250eca918ab55b658de3ec"
}

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Query Addresses

Request multiple signatures

$ curl https://api.blockcypher.com/v1/btc/main/addrs/1PuwQ6uWXNeGcEnLCAXmRJozdLZ9M4NWQ7
{
"address": "1PuwQ6uWXNeGcEnLCAXmRJozdLZ9M4NWQ7",
"balance": 0,
"unconfirmed_balance": 0,
"txrefs": [...]
}

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Browse the blockchain

Retrieve blocks and transactions

# Using https://github.com/trentm/json
$ curl -s https://api.blockcypher.com/v1/btc/main \
| json latest_url \
| xargs curl -s \
| json prev_block_url \
| xargs curl -s

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