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Prepare transaction monitoring for new subscribers

When onboarding includes a known transaction, make monitoring setup part of the first handoff.

Trigger

Subscribe Trigger

Triggered when a subscriber subscribes to Mailchimp

Action

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.

Why this helps

A transaction can move through states while the onboarding team is still setting up a watcher manually.

  • Prepare monitoring details immediately
  • Reduce missed transaction state changes
  • Make onboarding handoffs clearer

Setup

Build it in a few focused steps.

  • 1Connect Mailchimp and Blocknative once in Notis.
  • 2Create an automation for subscriber transaction monitoring.
  • 3Tell Notis to prepare Blocknative transaction-hash subscription details after a new subscription using the hash and chain context supplied in the prompt.
  • 4Select the Subscribe Trigger, choose where reports go, and test with one real subscription.

Questions about this workflow

What must the event include?

Provide the Ethereum transaction hash and the chain or connection context needed for the subscription.

Will it notify the subscriber?

No. It prepares the Blocknative subscription details and reports them to your chosen channel.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

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

Mailchimp 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

Campaign Trigger

Triggered when a campaign is sent or experiences an event in Mailchimp

TriggerInstant

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

Profile Update Trigger

Triggered when a subscriber's profile is updated in Mailchimp

TriggerInstant

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

Subscribe Trigger

Triggered when a subscriber subscribes to Mailchimp

TriggerInstant

Get Supported Chains

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

ActionInstant

Unsubscribe Trigger

Triggered when a subscriber unsubscribes from Mailchimp

TriggerInstant

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.

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

When this happens · Trigger

Do this · Action

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