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Start multichain tracking from an internal request

Let an internal request kick off subscription preparation when you need to watch an address or transaction across chains.

Trigger

Webhook received

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

Action

Subscribe Multichain

Tool to generate websocket subscription details for events across multiple chains. use when preparing to track a transaction hash or account address across chains via blocknative multichain sdk.

Why this helps

Tracking a transaction across networks can require interrupting your workflow to assemble subscription details by hand.

  • Prepare subscription details across multiple chains
  • Use a webhook to start tracking setup from an internal process
  • Support transaction hash or account address tracking

Setup

Build it in a few focused steps.

  • 1Connect Blocknative once in the Notis portal.
  • 2Create an automation in the portal or tell Notis in plain language to create one.
  • 3Describe the outcome in one instruction and specify the transaction hash or account address and chains to track.
  • 4Pick a webhook trigger and choose where run reports should go.
  • 5Test with one real HTTP request containing the tracking details.

Questions about this workflow

What identifiers can this prepare tracking for?

The action prepares multichain subscription details for a transaction hash or account address. Specify the identifier and chains in the instruction.

Does this start a websocket connection?

The action generates subscription details via the multichain SDK. Any required connection or client handling needs to be available in your setup.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Agent mail to Blocknative. A trigger fires from one place; an action lands in another.

Agent mail triggers

Blocknative actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

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.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Get Gas Price Distribution

Tool to retrieve the current mempool gas price distribution breakdown. use when analyzing gas price trends or preparing fee strategies.

ActionInstant

New Email Received

Trigger for new emails in an AgentMail inbox

TriggerPolling

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.

ActionInstant

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.

ActionInstant

Get Supported Chains

Tool to retrieve supported chains metadata. use when discovering available networks for blocknative gas services.

ActionInstant

Get Base Fee Estimates

Tool to get real-time predictions for base fee and blob base fee for the next 5 blocks. use when you need both 99% and 50% confidence estimates for upcoming blocks.

ActionInstant

Subscribe Multichain

Tool to generate websocket subscription details for events across multiple chains. use when preparing to track a transaction hash or account address across chains via blocknative multichain sdk.

ActionInstant

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.

ActionInstant

Connect any two apps with Notis in the middle.

Agent mail and Blocknative, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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