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Freemium

Anon

Developer platform that lets AI agents authenticate and take action on websites without public APIs.

4.0 AI Infrastructure & Agent Tooling
4.0 Very good 4.0
Solves authentication for sites with no public API Relatively new platform launched in 2023
Reviewed by Challenging Voice Editorial · Updated Aug 2026 How we rate
PricingFrom $50/mo
Free planYes
CompanyAnon
PlatformsAPI, Web
CategoryAI Infrastructure & Agent Tooling
Founded2023
Last reviewedJul 2026
UpdatedAug 2026

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Ask AI about Anon ChatGPT Claude Perplexity

Overview

Anon builds an authentication and integration layer that lets developers give AI agents and automation software the ability to log into and act on websites that have no public API. Daniel Mason, previously a partner at Framework Ventures and co-founder of Spring Labs, and Kai Aichholz, previously CTO at Alaffia Health, founded the San Francisco company in 2023.

Developers embed Anon's SDK in an application and call its API to authenticate a user, manage that session, and take permissioned actions on their behalf across sites that were never built with automation in mind. The platform ships SDKs across multiple programming languages and handles the credential and session management underneath, positioning itself as infrastructure for the current wave of AI agent builders rather than a consumer-facing product.

Anon suits developers and companies building AI agents, browser automations, or workflow tools that need to interact with third-party sites lacking APIs. A free tier is available to test the platform, with a Pro tier starting at $50 per month for expanded usage.

Key features

  • Authentication layer for API-less websites
  • SDKs across multiple programming languages
  • User-permissioned action automation
  • Session and credential management
  • Built for AI agent and automation developers
  • Works across popular consumer and enterprise sites

Screenshots & demo

Demo video

Screenshots

Anon screenshot 1

Pricing

Anon has a free plan, and paid plans start at $50/mo.

  • Pricing modelFreemium
  • Starting priceFrom $50/mo
  • Free planYes
Visit Anon

Pricing is provided as a guide. Check the official site for the latest plans.

Is Anon expensive?

Anon starts at $50, which is 72% above the AI Infrastructure & Agent Tooling median of $29 a month across the 76 priced tools we list in that category.

The cheapest paid option in AI Infrastructure & Agent Tooling starts at $0.03 and the most expensive at $15,000.

54% of AI Infrastructure & Agent Tooling tools in the directory offer a free tier, and this is one of them.

Compared against every priced listing in AI Infrastructure & Agent Tooling, recalculated as the catalogue changes. Method and the full market breakdown are in our AI tool pricing study.

Pros & cons

Pros

  • Solves authentication for sites with no public API
  • Free tier available to start building
  • Founded by engineers with fintech and security backgrounds
  • SDKs cover multiple programming languages

Cons

  • Relatively new platform launched in 2023
  • Pricing beyond the Pro tier is not public
  • Reliability depends on target sites not changing their structure
  • Narrower use case focused specifically on browser-based integrations

How it compares

ToolRatingFreeFromBest known for
Anon (this tool)4.0Yes$50/moAuthentication layer for API-less websites
Browserbase4.5Yes$20/moReal browser instances, not headless simulation
AgentOps4.2Yes$40/moVisual event timeline for every agent run
Bird4.0No—One API for email, SMS, WhatsApp, Apple Messages and voice

Alternatives to Anon

4 tools matched to Anon on what they do, their category and their price.

Compare all Anon alternatives →

Head to head: Anon vs Browserbase · Anon vs AgentOps · Anon vs Bird · Anon vs PandaProbe

Frequently asked questions

What is Anon?
Anon builds an authentication and integration layer that lets developers give AI agents and automation software the ability to log into and act on websites that have no public API.
Is Anon free?
Yes, Anon offers a free plan. Paid plans unlock more features and higher usage limits, starting at $50/month.
How much does Anon cost?
Anon starts at $50 per month. See the pricing plans above for full details.
What are the best Anon alternatives?
The closest matches in the directory are Browserbase, AgentOps, and Bird, compared side by side above.

Reviews

4.0 Editorial rating No reviews yet

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