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Officially verified details
Attesso

9 lines of code between your agent and a payment.

Attesso enables businesses safely authorize AI agents to act and transact on behalf of users.

Attesso enables companies to create bounded mandates that define exactly what an AI agent is allowed to do, ensuring every action stays within the permissions a user has approved.

We provide the authorization infrastructure that makes agentic commerce safer, more controlled, and more trustworthy.

A startup from The Netherlands that is founded by Douwe Kramer, Sid van Kalken.

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Attesso

Attesso Reviews and Details

This page is designed to help you find out whether Attesso is good and if it is the right choice for you.

Listed in

Fintech Agentic Finance

Screenshots and images

  • Attesso home
    home //
    2026-09-02
  • Attesso product
    product //
    2026-09-02
  • Attesso showcase
    showcase //
    2026-09-02

Features & Specs

  1. Streamlined Workflow

    Attesso appears designed to simplify and automate business processes, potentially saving users time on repetitive tasks and improving overall efficiency.

  2. User-Friendly Interface

    The platform likely emphasizes ease of use, making it accessible for users without extensive technical backgrounds to navigate and utilize its features.

  3. Integration Capabilities

    Attesso may offer integration with other tools and platforms, allowing businesses to connect their existing systems and create a more cohesive workflow.

  4. Scalability

    The solution may be built to grow with a business, accommodating increasing demands as a company expands its operations or user base.

  5. Customer Support

    Attesso may provide dedicated customer support resources to help users troubleshoot issues and maximize the value of the platform.

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Questions & Answers

As answered by people managing Attesso.

  1. Who are some of the biggest customers of Attesso?

    Attesso is pre-launch and doesn't publish customer names

  2. Why should a person choose Attesso over its competitors?

    Because it's PSP-agnostic and BYOK: you keep your existing payment rail and your own float and compliance, and Attesso only adds the trust layer, so you never get locked into a provider-adapter matrix or a fintech that moves your money.

  3. What makes Attesso unique?

    It's the neutral authorization + evidence layer that gives AI agents bounded spending authority against a user-signed mandate, with cryptographically signed, independently verifiable evidence of every action, without holding money or replacing your payment provider.

  4. How would you describe the primary audience of Attesso?

    Developers and product teams at dynamic-commerce companies, smaller and newer travel and ticketing businesses, building agentic payments and async booking where an AI agent must spend money on a customer's behalf while the customer is away.

  5. What's the story behind Attesso?

    Born from the realization that AI agents can reason but have no way to be trusted with money, Attesso set out to make agent hallucination structurally impossible by proving the agent can only act inside the exact bounds a user signed, and proving the user signed those exact rules.

  6. Which are the primary technologies used for building Attesso?

    A Go API authorization engine, WebAuthn passkey approval on a hosted page, and JWS-signed evidence bundles with published verification keys, exposed through a clean REST API.

Videos

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External links

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  • Public traffic stats of Attesso

    Check the traffic stats of Attesso on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.

  • Domain Rating (DR)

    Check the "Domain Rating" of Attesso on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of Attesso's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.

  • Domain Authority (DA)

    Check the "Domain Authority" of Attesso on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.

  • Public opinion on Reddit

    The latest comments about Attesso on Reddit. This can help you find out how popualr the product is and what people think about it.

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Attesso discussion

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Is Attesso good? This is an informative page that will help you find out. Moreover, you can review and discuss Attesso here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.

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