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Connect Mempool with Topcalls AI voice agents

35 actions · 0 triggers · Last verified July 1, 2026

The short answer

Mempool connects to Topcalls so your AI voice agents can act on Mempool during live phone calls. The mempool.space website invented the concept of visualizing a Bitcoin node\. All 35 actions and 0 triggers below are available to your agents, including get Address Details and get Address Transactions (Chain). Topcalls runs calls at $0.35/min all-inclusive with sub-500ms response latency, across 32 languages.

What you can automate with Mempool

Get Address Details during a call

While the agent is on the phone, Topcalls can get Address Details in Mempool automatically. That keeps your Mempool records current the moment a call ends, with no manual data entry. Every call runs at $0.35/min all-inclusive.

Get Address Transactions (Chain) during a call

While the agent is on the phone, Topcalls can get Address Transactions (Chain) in Mempool automatically. That keeps your Mempool records current the moment a call ends, with no manual data entry. Every call runs at $0.35/min all-inclusive.

Get Address Transactions (Mempool) during a call

While the agent is on the phone, Topcalls can get Address Transactions (Mempool) in Mempool automatically. That keeps your Mempool records current the moment a call ends, with no manual data entry. Every call runs at $0.35/min all-inclusive.

Keep Mempool in sync after every call

After each AI call, Topcalls writes the outcome, transcript summary, and next step back to Mempool. Your records stay accurate without anyone updating them by hand.

Run Mempool follow-ups at scale

Trigger batches of AI voice calls from Mempool data and let Topcalls handle the conversations across 32 languages. Each call is billed at $0.35/min all-inclusive, so volume stays predictable.

Mempool actions

What your AI voice agent can do in Mempool during and after a call.

Get Address Details

Returns address details including chain and mempool stats

Get Address Transactions (Chain)

Returns confirmed transaction history (25 transactions per page)

Get Address Transactions (Mempool)

Returns unconfirmed transactions (up to 50)

Get Address Transactions

Returns transaction history (up to 50 mempool + 25 confirmed transactions)

Get Address UTXO

Returns unspent transaction outputs for an address

Validate Address

Validates a Bitcoin address

Get Block Header

Returns the hex-encoded block header

Get Block Height

Returns the hash of the block currently at specified height

Get Block Raw

Returns the raw block representation in binary

Get Block Status

Returns the confirmation status of a block

Get Block Timestamp

Returns the height and hash of the block closest to the given timestamp

Get Block Tip Hash

Returns the hash of the last block

Get Block Tip Height

Returns the height of the last block

Get Block Transaction ID

Returns the transaction at specified index within the block

Get Block Transaction IDs

Returns a list of all transaction IDs in the block

Get Block Transactions

Returns a list of transactions in the block (up to 25 transactions)

Get Block

Returns detailed block information

Get Blocks (Bulk)

Returns details on the range of blocks between minHeight and maxHeight, inclusive, up to 10 blocks

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 Difficulty Adjustment

Returns details about Bitcoin difficulty adjustment

Get Historical Price

Returns bitcoin historical price in main currencies

Get Price

Returns bitcoin latest price in main currencies

Get Transaction Hex

Get the raw transaction in hex format

Get Transaction Merkle Proof

Get the merkle proof for a transaction

Get Transaction Merkleblock Proof

Get the merkle block proof for a transaction

Get Transaction Output Spend Status

Get the spending status of a specific transaction output

Get All Transaction Output Spend Statuses

Get the spending status of all outputs in a transaction

Get Raw Transaction

Get the raw transaction in hex format

Get Transaction RBF Timeline

Get the Replace-By-Fee (RBF) timeline for a transaction

Get Transaction Status

Get the confirmation status of a transaction

Get Transaction Times

Get timing information for a transaction including first seen and block entry times

Get Transaction

Retrieve transaction details by transaction ID

Post Transaction

Submit a raw transaction to the network

Custom API Call

Call any Mempool REST API endpoint directly from your workflow.

Frequently asked questions

Can Topcalls AI voice agents use Mempool?

Yes. Topcalls connects to Mempool so your AI voice agents can act on it during a call and sync outcomes after. No code is required to set it up.

What can Topcalls do with Mempool?

Your agents can get Address Details, get Address Transactions (Chain), get Address Transactions (Mempool), plus every other Mempool action and trigger listed on this page.

How much does the Mempool integration cost?

The Mempool integration is included. Topcalls bills $0.35/min all-inclusive, which covers the AI voice model, telephony, recording, transcription, and analytics.

Do I need code to connect Mempool to Topcalls?

No. You connect Mempool in the Topcalls integrations area and pick the actions and triggers you want. It works across 32 languages.

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