All providers
Provider
Provider docs mempool.space
id: mempool
Most-used BTC backend in the chainkit demo project.
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.
- Fee tiers
Get current sat/vByte recommendations for priority / standard / economy.
- Exchange rate
Quote BTC against fiat / other coins.
Operational
Running it in production.
- Auth
- none
- Chains
- btc/mainnetbtc/testnet3
- Free tier
- unrestricted (best-effort) on public instance
- Paid tier
- —
- Rate limit
- no published limit; respects fair use
In the SDK
Wire mempool.space 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.
1 import (
2 "github.com/exapsy/chainkit"
3 "github.com/exapsy/chainkit/bitcoin/providers"
4 )
5
6 p := providers.NewMempool(/* opts — see godoc */)
7
8 client, _ := chainkit.NewMixedProvidersBuilder().
9 WithProvider(p).
10 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 mempool.space. Polled every minute.
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