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REST API, Backend and Database Design

A secure API with authentication, database schema and documentation.

4.9 IT Services

REST API, Backend and Database Design

Service details

A secure API with authentication, database schema and documentation.

What you get:
- Basic: Database design and ER diagram; Basic API endpoints
- Standard: everything in Basic plus JWT authentication and validation; OpenAPI documentation
- Premium: everything in Standard plus SQL optimisation and migrations; Tests and deployment guide

Scope limits:
- Basic: up to 5 endpoints
- Standard: up to 15 endpoints
- Premium: up to 30 endpoints

What to provide when ordering:
- List of required features
- Data file (Excel, CSV or SPSS)
- Platform and tools in use (for example WordPress, Shopify, Excel)
- Required deadline

Limits and responsibilities:
- Hosting, domain and live testing are handled by you
- A professional security review is recommended before going live
- Work beyond these limits or extra revisions is quoted separately

After ordering, submit the required details and files in the My Services section of your account. Delivery files appear there when the work is done, and you can request revisions if needed.

  • Delivery on time
  • Direct messaging
  • Confidentiality assured

What happens after you order

  1. PaymentPay online or with bKash/Nagad.
  2. Share detailsAdd the required information and files on the My Services page. The delivery time starts from then.
  3. DeliveryYou'll receive the files there when the work is done. Ask for a revision if needed, otherwise accept it.

Ratings & Reviews

4.9 14 reviews

KKenji White 2 Oct 2026

I needed the technical documentation under a tight deadline — delivery was on schedule.

PPierre Ferrari 13 Aug 2026

Worked with them on the technical documentation. Communication was direct and professional.

ZZara Patel 31 May 2026

The package for the technical documentation was clear from the start. No surprises.

AAhmed Brown 11 May 2026

Clear brief handling and good final output for the technical documentation.

EEmily Ali 5 Apr 2026

Revisions were handled smoothly. Happy with the technical documentation.

LLeo Bernard 11 Mar 2026

Exactly the scope I expected for the technical documentation. Would order again.

AAisha Silva 16 Feb 2026

I ordered the technical documentation and the quality was consistent with the description.

RRyan Rodriguez 29 Dec 2025

Useful deliverables. The technical documentation helped move my project forward.

RRuby Davis 7 Nov 2025

Support during the order was responsive. The technical documentation look professional.

ZZoe Rivera 29 Oct 2025

Fast response and reliable delivery of the technical documentation. Recommended.

MMeera Thomas 15 Oct 2025

Clear communication and solid delivery. The technical documentation met what I needed.

TTariq Müller 20 Sep 2025

Good value. The technical documentation covered the essentials I requested.

LLily Horvat 8 Jul 2025

Professional service. The technical documentation arrived on time and were easy to use.

JJoseph Wang 11 Jun 2025

The files for the technical documentation was organized and ready to apply.

See all 14 reviews