Connect Blocknative to your AI agent

Developer Tools 10 actions available

Blocknative provides real-time mempool monitoring and transaction management tools for public blockchains.

We set up the connection using your own Blocknative account, with keys you control, and keep it running. Your agent picks it up and starts doing the work.

Book a setup call → See pricing
Actions

What your agent can do in Blocknative

Each one is a real action the agent can take on its own, the same things a person clicking around Blocknative could do. Read-only by default; write actions are confirmed against your policy.

  • Configure Mempool Filters Tool to configure filters and ABI decoding for Ethereum mempool transactions. Use after establishing a Blocknative WebSocket connection to set up event filters and decoding.
  • Get Gas Price Distribution Tool to retrieve the current mempool gas price distribution breakdown. Use when analyzing gas price trends or preparing fee strategies.
  • Get Gas Oracles Tool to retrieve metadata on supported gas oracles per chain. Use when you need to dynamically discover all available on-chain gas estimation oracles across networks.
  • Get Gas Prices Tool to fetch gas price estimates for specific inclusion probabilities. Use when you need gas price ranges for the next block or next ~10 seconds.
  • Get Supported Chains Tool to retrieve supported chains metadata. Use when discovering available networks for Blocknative gas services.
  • Get Base Fee Estimates Get real-time gas fee predictions for Ethereum mainnet's next 5 blocks. Returns base fee, blob base fee, and priority fee estimates at multiple confidence levels (99% and 50%). Essential for optimizing transaction costs…
  • Subscribe Multichain Generate WebSocket connection details to subscribe to real-time blockchain events (transactions or account activity) across multiple chains via Blocknative's Multichain API. Returns the WebSocket URL and subscription me…
  • Subscribe Transaction Hash Tool to subscribe to transaction state change events of an Ethereum transaction hash. Use after establishing a Blocknative WebSocket connection to prepare the subscription message.
  • Unsubscribe Multichain Tool to unsubscribe from events across multiple chains using the Multichain SDK. Use after stopping monitoring of an address or transaction to clean up resources, e.g., call: blocknative.unsubscribe({ id: '0x..', chainI…
  • Unsubscribe Transaction Hash Tool to unsubscribe from transaction state change events for an Ethereum transaction hash. Use after establishing a Blocknative WebSocket connection to prepare the unsubscription message.
Setup

How we connect it

  1. 1

    Connect your account

    You create a key in Blocknative, a key you create and control, and paste it in once. It lives in a secrets store on your server, not with us.

  2. 2

    Set the guardrails

    Read-only by default. You choose which write actions the agent may take, and anything outside that policy gets confirmed with you first.

  3. 3

    We keep it running

    Health checks on every connection, updates handled for you, and we watch the first week of activity to make sure the work lands.

FAQ

Blocknative questions, answered.

With a key you create and control. You paste it in once, it is stored in a secrets store on your server, permissions are scoped to the minimum the agent needs, and you can revoke it at any time.
The actions Blocknative's API allows, the same things a person clicking around the app could do. Connections start read-only by default; write actions are confirmed against the policy you set before the agent takes them.
Connections are priced per tool on top of the base plan. Some are included, some are premium. See pricing for how connection charges work.
Standard tools are ready inside 7 business days of the setup call. We test the connection end to end, walk you through how the agent uses it, and watch the first week of activity.

Ready to put Blocknative to work?

Tell us what your team runs on. We set up the connection, secure it, and your agent takes it from there.

Book a setup call → Browse all integrations

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