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Prepare multichain monitoring from a webhook

Turn an internal event into ready to use monitoring instructions across supported 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

Operational teams lose time translating internal events into chain monitoring setup.

  • Connect internal systems to chain monitoring
  • Standardize subscription preparation
  • Reduce repetitive setup work

Setup

Build it in a few focused steps.

  • 1Connect Blocknative in Notis and define the webhook context.
  • 2Create an automation describing the multichain subscription details to generate.
  • 3Choose an HTTP webhook as the trigger.
  • 4Select where reports go and test with one payload containing a real target.

Questions about this workflow

What does the webhook need to identify?

It should identify the address or transaction target and relevant chain context.

Does it open the websocket itself?

It generates subscription details for use with the Blocknative multichain SDK.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

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

Youtube 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 YouTube Activity

Triggers when a new activity is detected on a YouTube channel.

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

New Item in YouTube Playlist

Triggers when a new item is added to a YouTube playlist.

TriggerPolling

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

New Playlist in YouTube Channel

Triggers when a new playlist is added to a YouTube channel.

TriggerPolling

Get Supported Chains

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

ActionInstant

New YouTube Channel Subscription

Triggers when a new channel is subscribed.

TriggerPolling

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.

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

When this happens · Trigger

Do this · Action

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