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Prepare to monitor a transaction hash after document review

When document work identifies an Ethereum transaction to track, send its hash to Notis to prepare the Blocknative subscription.

Trigger

Webhook received

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

Action

Subscribe Transaction Hash

Prepares a subscription to status changes for an Ethereum transaction.

Why this helps

A transaction hash found during document work can be easy to lose before you set up status monitoring.

  • Carry a supplied transaction hash into monitoring setup.
  • Prepare to receive transaction state change events.
  • Reduce manual follow-up after document review.

Setup

Build it in a few focused steps.

  • 1Connect Affinda and Blocknative once in the Notis portal.
  • 2Create an automation in Automations, New Automation, and name it.
  • 3Tell Notis to prepare a Blocknative subscription for the Ethereum transaction hash you provide after a websocket connection is established.
  • 4Pick a webhook trigger and choose where run reports go.
  • 5Test with one real transaction hash and an established websocket connection.

Questions about this workflow

Does this action itself open a websocket or monitor the transaction?

No. It prepares the subscription message for use after establishing a Blocknative websocket connection.

Can this track a transaction on any chain?

This action is specifically for an Ethereum transaction hash. For multichain tracking, use the multichain subscription action.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

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

Affinda triggers

Blocknative actions

Recurring trigger

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

TriggerScheduled

Configure Mempool Filters

Configures filters and decoding for Ethereum mempool transactions.

ActionInstant

Webhook trigger

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

TriggerInstant

Get Gas Price Distribution

Retrieves the current breakdown of gas prices in the mempool.

ActionInstant

Get Gas Oracles

Lists supported gas oracles by blockchain network.

ActionInstant

Get Gas Prices

Retrieves gas price estimates for likely transaction inclusion.

ActionInstant

Get Supported Chains

Lists supported blockchain networks for gas services.

ActionInstant

Get Base Fee Estimates

Retrieves real-time estimates of Ethereum's base and transaction fees for the next five blocks.

ActionInstant

Subscribe Multichain

Prepares a subscription to real-time transaction or account events across supported chains.

ActionInstant

Subscribe Transaction Hash

Prepares a subscription to status changes for an Ethereum transaction.

ActionInstant

Connect any two apps with Notis in the middle.

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

When this happens · Trigger

Do this · Action

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