Skip to main content

migration / Checked 2026-10-18

Move webhook-triggered browser Functions from Anchor Browser to Notte

A migration plan for webhook-triggered browser Functions: retain the business check, replace Anchor Browser's provider-owned resources, and prove the Notte workflow before cutover.

Decide whether this move earns its cost

An application event causes a browser operation. Delivery can be repeated, while the browser may finish after the original HTTP caller stops waiting.

Anchor's demonstration or prompt-authored Automation Tasks and Notte's Python Functions suit different authoring preferences. Both document website-authentication tooling, so a credible recommendation must address the actual login and workflow-editing path.

Consider Notte when an HTTP-invoked Python Function can own the browser task and expose its run history. Your application still needs its own event identity and duplicate-delivery policy.

A TypeScript Function, browser-local action or existing external worker may be the better fit when it already integrates with the event system. Moving the browser does not require moving every webhook handler.

Keep the result contract stable

A test event with a stable application event ID and an operation whose resulting object can be counted.

The application tracks a terminal run and the intended number of website changes for that event, including after duplicate delivery.

Preserve the evidence contract across the move: Event ID, invocation acknowledgement, execution ID, terminal state and resulting website object.

Map the workflow's resources

RequirementAnchor BrowserNotte
Code executionAutomation TasksPython Functions
Scheduled executionTask execution pathNative
Recordings / replayDocumentedDocumented

Sources: docs.anchorbrowser.io [1] ↗docs.anchorbrowser.io [2] ↗docs.notte.cc [3] ↗docs.notte.cc [4] ↗

Where the code runs

Anchor Browser: Automation Tasks produce versioned workflows from a prompt or a recorded demonstration. Test and edit the workflow, then invoke it through the task API. Compare this authoring model with writing a handler directly.

Notte: Functions deploy Python code with a run() entry point. Invoke them over HTTP or with an SDK, inspect run history, and roll back code by redeploying an earlier version as the latest version.

Sources: docs.anchorbrowser.io [1] ↗docs.notte.cc [2] ↗

Deployment ownership

Anchor Browser: Use a browser session from existing code or deploy a reusable Automation Task. The task path includes workflow editing and versioning; direct CDP leaves execution ownership with your application.

Notte: Use a remote browser from your existing process or deploy the browser automation as a Notte Function. These choices put lifecycle, scheduling and monitoring responsibilities in different places.

Sources: docs.anchorbrowser.io [1] ↗docs.notte.cc [2] ↗

Pricing model

Anchor Browser: Compare the selected browser and task offering using Anchor's current commercial terms. Include network usage and the execution path actually used; a batch API's capacity is not a price quote for that batch.

Notte: The public usage rates are $0.01 per browser-hour, $0.05 per Function-hour and $10 per GB of managed proxy traffic. Paid plans return their price as usage credits. Price the relevant meters and plan eligibility for the workload.

Sources: anchorbrowser.io [1] ↗notte.cc [2] ↗

Cut over one responsibility at a time

For this Anchor Browser-to-Notte migration, keep the business assertion outside provider resource management. Source profile, connection, file and execution IDs are not valid target IDs; use a documented transfer path or establish the corresponding resource in Notte.

Retain source job history and a rollback route until the target pilot passes. A migration checklist is not evidence that saved state or runtime behavior is automatically portable.

  • Preserve the application's event ID when replacing invocation plumbing.
  • Invoke the target from a test event and track its terminal result separately from the initial response.
  • Route one event partition to the target and keep duplicate handling enabled during cutover.

Sources: docs.anchorbrowser.io [1] ↗docs.notte.cc [2] ↗docs.notte.cc [3] ↗

A proposed acceptance case

This is an evaluation design, not a claim that this workflow has been executed successfully on every provider.

Part of the testRequired observation
Controlled inputA test event with a stable application event ID and an operation whose resulting object can be counted.
Pass conditionThe application tracks a terminal run and the intended number of website changes for that event, including after duplicate delivery.
Negative caseSend the same event twice and interrupt the first caller. Verify that run tracking and idempotency still describe the intended outcome.
Evidence to retainEvent ID, invocation acknowledgement, execution ID, terminal state and resulting website object.

A reason to delay or keep the source

Send the same event twice and interrupt the first caller. Verify that run tracking and idempotency still describe the intended outcome.

Anchor Browser: A demonstrated automation task and an arbitrary Python handler are different authoring models. Evaluate how much control you need over the code, dependencies and exact workflow.

Delay cutover when the target's selected plan, required artifact path or supported website-account flow is not established. Resolve that gap before moving real jobs, even if the rate comparison favors the target.

Sources: docs.anchorbrowser.io [1] ↗notte.cc [2] ↗

Keep comparing

Put the workflow to the test.

Try Notte Read the quickstart ↗