Software Alternatives & Startups

Submit JSON

Submit JSON notifies you via email, webhooks, and Slack when POST-ing data to an endpoint. It's simple API is great at handling form submissions and notifying you when a new user signs up, for example.

Submit JSON

Submit JSON Alternatives & Competitors

  1. 6

    Just send your form to our URL and we'll forward it to your email.

    Key Formspree.io features:

    Ease of Use Free Tier Spam Protection Customizable Notifications

    /formspree-io-alternatives
  2. 5

    Collect form submissions, filter spam, and automate workflows — with AI landing pages from Basin Sites.

    Key Basin features:

    Custom Redirects File Uploads Projects / Workspaces Form Sharing

    freemium $12.5 / Monthly (Starter: All you need to get started.)

    /basin-alternatives
  3. A unified, OpenAI-compatible gateway to every major LLM provider. One endpoint, one key, one bill - with automatic routing and failover.

    Key boldrouter features:

    AI-Powered Routing Automation Capabilities Scalable for Growing Teams Integration Potential

    Visit website Sponsored

    Visit website
  4. 6

    The complete headless backend API for your </form>.

    Key Forminit features:

    Easy Integration Form Management Spam Protection API Access

    freemium

    /forminit-alternatives
  5. 5

    Make your HTML <form> completely functional under a minute without a single line of backend code. .

    Key Formcarry features:

    User-friendly Interface API Access Security Features Responsive Customer Support

    /formcarry-alternatives
  6. 2

    The simplest way to create forms, for free.

    Key Tally.so features:

    Unlimited forms Unlimited responses Payments File upload

    freemium

    /tally-so-alternatives
  7. 2

    Submit your HTML forms to Notion. Works with Wordpress, Webflow, Carrd, Squarespace, Javascript, React, and Static HTML sites.

    Key Notion Monkey features:

    Form Builder File Uploads Email Notifications Email Autoresponder

    freemium $8 / Monthly (3 forms. 100 submissions / mo)

    /notion-monkey-alternatives
  8. 4

    A digital Swiss Army Knife for Small Businesses.

    Key Paperform features:

    User-Friendly Interface Customization Options Integration Capabilities Conditional Logic

    paid Free Trial AU$24 / Monthly

    /paperform-alternatives
  9. 1

    Contact forms for static websites without PHP or Backend server.

    Key Web3Forms features:

    Ease of Use No Backend Required Privacy-focused Spam Protection

    /web3forms-alternatives
  10. 5

    Form handling and automation for static sites.

    Key FormBucket features:

    Ease of Use Integration Capabilities Security Features Customization Options

    /formbucket-alternatives
  11. 5

    A desktop vacuum former that's quicker than 3D printing.

    Key Formbox features:

    Ease of Use Customization Integration Responsive Design

    /formbox-alternatives
  12. 1

    The enterprise ready webhooks service, open-source and in the cloud.

    Key Svix features:

    Scalability Security Ease of Integration Reliability

    Open Source freemium

    /svix-alternatives
  13. 2

    This project is made for those who need to add custom HTML forms a static page or static website.

    /serverless-forms-alternatives
  14. 1

    Collect submissions for your HTML forms easily!

    Key FormBackend features:

    Ease of Use Integration API Access Customization

    paid Free Trial

    /formbackend-alternatives
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