Skip to content

Every service shows its scope, timeline and fixed price before you pay

System Integrations OB-INT-101

API Design and Documentation

A versioned API specification, a documentation site full of examples and a mock server so partners can start integrating within days.

Timeline
9 working days
Deliverables
7 listed
Fixed price
₹20,999
Overview

What this service delivers

Partners integrate faster when they do not have to reverse-engineer your endpoints. Whether we design a new API or document the one you already run, we make sure resource names are consistent, paging and filtering work the same way everywhere, error responses identify the exact field at fault, and versioning leaves space for future change. You receive a machine-readable specification, a browsable documentation site and a mock server generated from it. A clear, precise specification also helps AI coding tools produce correct integration code.

Deliverables 7 items

What you receive

  • Machine-readable API specification covering up to 40 endpoints
  • Consistent rules for paging, filters, sort order and error responses
  • Documentation website with sample requests and responses
  • Mock server generated from the specification for partner testing
  • Authentication guide covering keys, tokens and rate limits
  • Written versioning and endpoint retirement policy
  • Ready-made request collection for your support team and partners
Process

How the work runs, in 4 steps

  1. Step 1: Review

    Existing endpoints or planned features are listed and examined

  2. Step 2: Conventions

    Naming, paging, errors and versioning rules are agreed

  3. Step 3: Specification

    Every endpoint is written up with examples

  4. Step 4: Publish

    The documentation site and mock server go live for your partners

Fit and inputs

Who it suits, and what we need from you

Ideal for

  • Companies whose API documentation lives in a spreadsheet
  • Products about to offer API access to partners or customers
  • Client and server developers who keep disagreeing over data formats

What we need from you

  • Your codebase, or a list of current endpoints
  • One engineer available for two design discussions
  • Any partner requirements or contract terms the API must meet

You share these through the brief in your account after checkout.

Benefits

What changes for your team

  • 01

    Partners integrate without long chains of clarification emails

  • 02

    Client development can start against the mock server straight away

  • 03

    Breaking changes become planned releases rather than surprises

FAQ

Questions about this service

Not unless you ask. We document what exists and list recommended improvements separately, so you decide what to change and when.

You do, on your own domain or hosting. We set it up so it can be updated whenever the specification changes.

This is a remote technology service, so nothing is shipped physically. Work is delivered into systems you control. Read delivery and handover and refunds and cancellation for the full terms.

Tell us what you are building. We will scope the first step.

Leave your email and a project lead will reply with the service that fits, its price and how long it takes. No sales calls unless you ask for one.