Frontend is beyond design.

Learn API integration.

Create backend APIs for your frontend in seconds. Build full stack without needing a backend developer.

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Key Features

OTP Generation & Validation APIvia SMS and Email

sending OTPs to Nigerian numbers and emails globally, easy validation, fast delivery.

CRUD Operations API

Create, read, update, and delete records directly from your application.

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AI Form Generation with Sharable Link

You can build forms integrated with your backend API, and show case your work to potential clients.

Authentication API

We have built out authentication flows for you, so that you can easily learn how to authenticate users within your application, no setup needed, just plug and play.

Use Case

Learning API Integration

Learn to become a solid frontend developer beyond designs by mastering API integration.

Build Portfolio

You don’t need to learn backend to build real-life projects to be added to your portfolio, Hi-Send helps you do just that.

Fast Form Generation

Generate forms for campaigns or projects with backend integration and export data in various formats.

User Verification

Confirm identities at events, meetings, and more.

MVP and Fast Prototyping

Deliver MVPs fast with AI while maintaining full control — we’ve got you covered.

Developer-Friendly Documentation

Clear, well-structured docs to help you integrate fast. From OTP testing to CRUD operations, everything is explained with examples and code snippets.

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5 Free Credits Every Day

Test, prototype, and build without worrying about costs. Hi-Send gives developers 5 free credits daily to run API tests, and experiment with new features — no payment or card required.

From Idea to Integration

Unlock the power of Hi-send with real-world ideas tailored for developers. Whether you're testing OTP flows, building prototypes, or integrating CRUD APIs - get inspired, start fast, and learn by doing.

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Pricing

Only pay for what you use — no hidden charges (1 Credit = ₦1)

OTP Pricing

  • SMS OTP: 10 Credits per message
  • Email OTP: 10 Credits per message

AI Form Generator

  • 100 Credits per form generated

CRUD API Pricing

  • 20 Free Credits when you sign up
  • 5 Free Credits Daily
  • 0.5 Credit per successful request
  • We don’t charge for failed requests

Create, Read, Update, or Delete your test data easily and affordably

Empower your development process with real OTP Validation.

No hacks. No waiting. Just smooth, reliable testing.

Frequently Asked Question

Hi-send is a frontend developer tool kit for mastering API integration. It provides a simple and efficient way to generate and validate OTPs via SMS and Email, along with CRUD operations API.