Mempool integration
The mempool.space website invented the concept of visualizing a Bitcoin node's mempool as projected blocks.
- Actions
- 35
- Triggers
- 0
- License
- MIT, open source
- Updated
- September 2026
About the Mempool integration
Add the Mempool piece to a flow, connect your account once, and the rest of the builder can read from it and write to it. Because the piece is open source you can run it on our cloud or self-host it, and combine Mempool with 760+ other apps in the same flow.
Actions
Everything Activepieces can do in Mempool
Drop any of these into a flow and fill in the fields. No code is required.
Get Difficulty Adjustment
Returns details about Bitcoin difficulty adjustment
Get Price
Returns bitcoin latest price in main currencies
Get Historical Price
Returns bitcoin historical price in main currencies
2 fields
Get Address Details
Returns address details including chain and mempool stats
1 field
Get Address Transactions
Returns transaction history (up to 50 mempool + 25 confirmed transactions)
2 fields
Get Address Transactions (Chain)
Returns confirmed transaction history (25 transactions per page)
2 fields
Get Address Transactions (Mempool)
Returns unconfirmed transactions (up to 50)
1 field
Get Address UTXO
Returns unspent transaction outputs for an address
1 field
Validate Address
Validates a Bitcoin address
1 field
Get Mempool Blocks Fees
Returns current mempool as projected blocks with fee rates and sizes
Get Recommended Fees
Returns recommended fee rates for different transaction confirmation targets
Get Block
Returns detailed block information
1 field
Get Block Header
Returns the hex-encoded block header
1 field
Get Block Height
Returns the hash of the block currently at specified height
1 field
Get Block Timestamp
Returns the height and hash of the block closest to the given timestamp
1 field
Get Block Raw
Returns the raw block representation in binary
1 field
Get Block Status
Returns the confirmation status of a block
1 field
Get Block Tip Height
Returns the height of the last block
Get Block Tip Hash
Returns the hash of the last block
Get Block Transaction ID
Returns the transaction at specified index within the block
2 fields
Get Block Transaction IDs
Returns a list of all transaction IDs in the block
1 field
Get Block Transactions
Returns a list of transactions in the block (up to 25 transactions)
2 fields
Get Blocks (Bulk)
Returns details on the range of blocks between minHeight and maxHeight, inclusive, up to 10 blocks
2 fields
Get Transaction
Retrieve transaction details by transaction ID
1 field
Get Transaction Hex
Get the raw transaction in hex format
1 field
Get Transaction Merkleblock Proof
Get the merkle block proof for a transaction
1 field
Get Transaction Merkle Proof
Get the merkle proof for a transaction
1 field
Get Transaction Output Spend Status
Get the spending status of a specific transaction output
2 fields
Get All Transaction Output Spend Statuses
Get the spending status of all outputs in a transaction
1 field
Get Raw Transaction
Get the raw transaction in hex format
1 field
Get Transaction RBF Timeline
Get the Replace-By-Fee (RBF) timeline for a transaction
1 field
Get Transaction Status
Get the confirmation status of a transaction
1 field
Get Transaction Times
Get timing information for a transaction including first seen and block entry times
1 field
Post Transaction
Submit a raw transaction to the network
1 field
Custom API Call
Make a custom API call to a specific endpoint
10 fields
Use Mempool in a flow
Connect Mempool once and every trigger and action above is yours to drop into the builder, alongside 760+ other apps. Free to start, on our cloud or your own servers.
Mempool, answered.
Yes. Activepieces is open source and free to start, and the Mempool piece is included on every plan, from the free cloud tier to any self-hosted deployment.