Best API Clients for GitLab

Compare the Top API Clients that integrate with GitLab as of July 2026

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This a list of API Clients that integrate with GitLab. Use the filters on the left to add additional filters for products that have integrations with GitLab. View the products that work with GitLab in the table below.

What are API Clients for GitLab?

API clients are software tools or libraries that enable applications to communicate with APIs (Application Programming Interfaces) by sending requests and handling responses. They simplify the process of making authenticated calls, formatting requests, and parsing data returned from remote services. API clients often include features for error handling, retries, and rate-limiting to ensure reliable integrations. Many are available in multiple programming languages, making it easier for developers to interact with web services and backend systems. By abstracting the complexity of direct network communication, API clients accelerate development and help maintain clean, maintainable code. Compare and read user reviews of the best API Clients for GitLab currently available using the table below. This list is updated regularly.

1

Postman

Postman

The collaboration platform for API development. Simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Postman is a collaboration platform for API development. Postman's features simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Quickly and easily send REST, SOAP, and GraphQL requests directly within Postman. Automate manual tests and integrate them into your CI/CD pipeline to ensure that any code changes won't break the API in production. Communicate the expected behavior of an API by simulating endpoints and their responses without having to set up a backend server. Generate and publish beautiful, machine-readable documentation to make your API easier to consume. Stay up-to-date on the health of your API by checking performance and response times at scheduled intervals. Provide a shared context for building and consuming APIs, and collaborate in real-time.

24 Ratings

Starting Price: $12 per user per month

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2

Bruno

Bruno Software Inc.

Bruno is an open-source, local-first API client for exploring, testing, and documenting APIs. With native Git sync, offline data storage, and no cloud dependencies, Bruno offers developers a secure, fast, and open alternative to bloated API platforms. Trusted by 150 k+ daily users and loved by 37 k+ GitHub stargazers. Pure API Client — Bruno is not a platform or cloud SaaS. It’s a lightweight desktop app focused purely on exploring, testing, and documenting APIs — no unnecessary clutter. Local-First Security — All your data and collections stay on your machine. Nothing is synced to a third-party cloud, ensuring complete control and compliance. Native Git Sync — Collaborate and version your collections using the same workflows you already use for code — pull requests, branches, and diffs — with no proprietary lock-in. Open Source & Extensible — Backed by a passionate community, Bruno evolves transparently, with frequent contributions from developers across the world

1 Rating

Starting Price: $6 per user per month

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3

Insomnia

Kong

Design, debug, and test APIs like a human, not a robot. Finally, a workflow you'll love. The Collaborative API Design Tool for designing, testing and managing OpenAPI specifications. The Desktop API client for REST and GraphQL. Make requests, inspect responses. Quickly create and group requests, specify environment variables, authentication, generate code snippets, and more. Get all the details on responses. View the whole request timeline, status codes, body, headers, cookies, and more. Create workspaces, folders, environments, drag-and-drop requests, and easily import and export your data. Create, edit, lint, debug, preview, and manage all of your OpenAPI specs in one collaborative API design editor. Generate configuration for common API gateways such as the Kong API Gateway, and Kong for Kubernetes. Sync your API designs with source control such as Github / Gitlab, and deploy directly to API Gateways such as Kong with one click.

Starting Price: $5 per month

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4

RapidAPI

Nokia

RapidAPI for Mac is a powerful HTTP client designed specifically for macOS, enabling developers to test, build, and document APIs in one intuitive interface. It allows users to send various HTTP requests, inspect server responses, and iterate quickly during development. With its clean and native macOS design, developers can easily compose requests and manage API workflows without complexity. The tool also supports API description using JSON Schema and integrates with standards like Swagger and RAML. It simplifies API development by combining testing and documentation in a single environment. Developers can generate client code and export API definitions seamlessly. Overall, RapidAPI for Mac helps streamline API development with speed and efficiency.

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