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Hook0

Open-source webhooks as a service.

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Hook0 is an open-source webhooks-as-a-service platform. Developers make one API call and Hook0 handles deliverability, retries, HMAC signing, and delivery monitoring. It offers a managed cloud hosted in France (EU) and a self-hosted option under SSPL-1.0 license. The platform is bootstrapped, with no venture capital funding.

12 alternatives to Hook0

Ranked by how well each tool replaces Hook0: shared features, audience, price and popularity.

  1. Svix

    Secure, enterprise-ready webhooks as a service.

    Covers 8 of 15 key features and starts cheaper.

    Free plan
    67 out of 100 match$20/mo

  2. Cloudmersive

    There's an API for that. Cloudmersive is a leader in Highly Scalable Cloud APIs.

    Covers 8 of 15 key features.

    Free plan
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  3. Hoppscotch

    Open source API development ecosystem.

    Covers 5 of 15 key features.

    Open source
    56 out of 100 match—

  4. Geekflare

    Web scraping, search, and screenshot API in one.

    Covers 5 of 15 key features and starts cheaper.

    Free plan
    55 out of 100 match$19/mo

  5. OOPSpam

    Automate spam and fraud detection.

    Covers 8 of 15 key features and starts cheaper.

    Free plan
    55 out of 100 match$23/mo

  6. Webhook.site

    Test, transform and automate Web requests and emails

    Covers 5 of 15 key features and starts cheaper.

    Free plan
    55 out of 100 match$7.50/mo

  7. Apollo

    The API Orchestration Platform for AI Agents, Web, and Mobile Apps

    Covers 3 of 15 key features.

    Free planOpen source
    55 out of 100 matchUsage-based

  8. WireMock Cloud

    AI-Native API Simulation and Mocking

    Covers 7 of 15 key features.

    Free plan
    54 out of 100 matchFree

  9. Insomnia

    The collaborative API development platform.

    Covers 4 of 15 key features and starts cheaper.

    Free planOpen source
    54 out of 100 match$12/mo

  10. OpenCage Geocoder

    Easy, Open, Worldwide, Affordable Geocoding and Geosearch

    Covers 7 of 15 key features.

    Free plan
    54 out of 100 match$52/mo

  11. Apiary

    Platform for API design, development, and documentation

    Covers 2 of 15 key features.

    Free plan
    53 out of 100 matchFree

  12. Telerivet

    Messaging when it matters

    Covers 5 of 15 key features and starts cheaper.

    Free plan
    53 out of 100 match$49/mo