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Notis

Prepare a multichain watch from transaction context

When document review points to an account or transaction worth tracking across chains, send the context to Notis to prepare subscription details.

Trigger

Webhook received

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

Action

Subscribe Multichain

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

Why this helps

Cross-chain follow-up can require repeating identifiers and setup details when they surface in document work.

  • Prepare websocket subscription details across multiple chains.
  • Use a supplied account address or transaction hash as context.
  • Keep cross-chain monitoring setup tied to the originating work.

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 Blocknative multichain subscription details for the account address or transaction hash you provide.
  • 4Pick a webhook trigger and choose where run reports go.
  • 5Test with one real account or transaction example.

Questions about this workflow

Does this action start ongoing monitoring by itself?

No. It generates websocket subscription details for use with the Blocknative multichain SDK.

What can I provide as monitoring context?

The action is intended for tracking a transaction hash or account address across multiple chains.

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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