Provider

BlockCypher

id: blockcypher

Provider docs

Multi-chain; full BTC capability surface.

Capabilities

What this provider does inside chainkit

Balance
Look up the confirmed balance of an address.
UTXOs
List the unspent transaction outputs held by an address.
Tx status
Check the confirmation status and depth of a transaction.
Broadcast
Submit a signed raw transaction to the network.
Address check
Validate an address string is well-formed for the active network.
Key validate
Check whether the provider API key is alive and authorised.

Operational

Running it in production

Auth: api_key
Chains: btc/mainnetbtc/testnet3
Free tier: 200 req/hour, 3/sec without a token
Paid tier: tiered; higher RPS and webhooks
Rate limit: 200/hr free, scales with paid tier

In the SDK

Wire BlockCypher via the chainkit builder

The builder accepts every provider you want in rotation. chainkit handles failover, retries, and scoring across them — pick capability coverage, not a single vendor.

import (
  "github.com/exapsy/chainkit"
  "github.com/exapsy/chainkit/bitcoin/providers"
  bttypes "github.com/exapsy/chainkit/bitcoin/types"
)

p := providers.NewBlockcypher(/* opts — see godoc */)

client, _ := chainkit.NewMixedProvidersBuilder().
  WithProvider(p).
  Build(ctx)

Snippet illustrative; refer to the godoc for the exact constructor signature.

Last 24 hours

Live performance

Pulled from the same scoreboard as /scoreboard, narrowed to BlockCypher. Polled every minute.

Loading live numbers…