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Custom API development for the way your business works

We build the API that doesn't exist yet: your data, your rules and your logic, ready for any app, partner or product

They trust us:

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Engineers who design APIs from scratch

API know-how that turns logic into a product

Our engineers build APIs that other teams can rely on

Off-the-shelf services cover common tasks. When your business runs on its own data, formulas or rules, we turn them into an API that your apps, partners and customers can use.

Here is what makes
our approach stand out:

// your logic, one request away
POST /v1/quotes

{
  "customer_id": "c_4821",
  "items": ["plan_pro", "seats_25"],
  "region": "EU"
}

200 OK
{
  "price": 1840,
  "currency": "EUR",
  "rule": "volume_tier_3"
}

Design before code

We agree on endpoints, data and errors in a written specification before development starts.

Documentation people actually use

Every endpoint comes with examples, so another team can connect without calling us.

Built for load and change

Versioning, rate limits and caching are planned from day one, so the API grows without breaking clients.

Security from the first endpoint

Authentication, access rules and request logging are part of the first release, not an afterthought.

Plan the API for your project

Tell us what your API has to do. We'll come back with a design, a timeline and an estimate.

Custom API solutions for your business

From the first specification to a live API with documentation and monitoring.

We map your data, users and use cases into a clear API structure before writing code.

We build, test and launch the API on infrastructure that fits your load and budget.

We connect your API with CRM, ERP, payment systems and other services you already use.

We watch performance, fix issues and release new versions without breaking existing clients.

What Richard Myers,
the Vice President of Gartner
says about his experience
with MaybeWorks

APIs built by MaybeWorks specialists

Data APIs

Share your unique data with apps and partners in a controlled, structured way.

Calculation and logic engines

Turn your formulas, scoring or pricing rules into an API any product can call.

Integration APIs

Link your internal systems so data moves between them without manual work.

Partner and public APIs

Give partners or customers paid access to your data and logic.

APIs for your web and mobile apps

One backend that serves your website, iOS and Android apps at once.

Start building your API

Our engineers can start with discovery right away, so you get a working API sooner and with fewer surprises.

Use over 50 major technologies with our API development team

Programming languages

TypeScriptTypeScriptJavaScriptJavaScriptPythonPython

Back-End

Node.jsNode.jsNestJSNestJSExpressExpressDjangoDjangoFlaskFlask

API standards

RESTGraphQLWebSocketOpenAPI

Database

PostgreSQLMySQLMongoDB

Cloud Database

AmazonDynamoDBRedisFirebase

ORM

TypeORMSequelizePrismaMongoose

DevOps

DockerAWSCI/CD

Why companies choose MaybeWorks for API development

1

API design that starts with your business

We begin with how your business works, then decide what the API should expose.

2

A quick start

We can start discovery right after the first call and share the first specification draft early.

3

A clear specification you approve first

You approve the API design before development, so the result matches what you expected.

4

Scalable team options

Start with one backend engineer and grow the team as the API grows.

5

Open communication

Regular demos and short progress reports keep you informed at every step.

6

Experience across industries

Our engineers have built backends for fintech, healthcare, real estate, e-commerce and SaaS products.

How we work with your team

People

We send profiles of backend engineers who match your API within 24 hours.

You pay for the hours worked. Best when the API will change as you learn from real users.

A fixed price for a clearly defined API scope agreed in the specification.

MaybeWorks key successnumbers

13+ years

on the market

100+ projects

implemented

15+

countries

120+

developers

1,2M+

hours

0

negative reviews

Our customers speak

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Tell us what your API has to do and get a design, timeline and estimate.

CONTACT US

Get in touch with our API engineers. We'll review your idea and suggest the best way to build it.

Frequently askedQuestions

  1. Data APIs, calculation and logic engines, integration APIs, partner and public APIs, and backends for web and mobile apps.
  2. Yes. Discovery starts with your business process, and we turn it into a written API specification you approve.
  3. A focused first version usually takes a few weeks to a few months, depending on the logic and integrations. We give an exact timeline after discovery.
  4. REST suits most public and partner APIs. GraphQL helps when apps need flexible queries over related data. We recommend one after discovery.
  1. Authentication, role-based access, encryption, rate limits and request logging are built in from the first release.
  2. Yes. We plan caching, scaling and load tests for your expected traffic before launch.
  3. Yes. We can add API keys, usage limits, billing plans and a developer portal with documentation.
  4. Yes. Every endpoint is documented with examples in OpenAPI format, so any team can connect to it.
  5. You do. The code, documentation and infrastructure accounts are transferred to you.

Do you have any more questions?Let's discuss it! Write to us.