PostByte API Testing
API testing and client to build, test and document APIs

What is PostByte API Testing?
PostByte by ZetsApp is an API testing tool and client for sending requests, organising collections, writing automated tests and generating docs. Collaborate on APIs with your team and catch breaking changes in CI.
PostByte API Testing is API tools in the API tools space, built for individual, startup, small business and mid-market across software development, technology and saas. It runs cloud (saas) and desktop app and starts at $0 per user, per month, with a free plan to start.
PostByte API Testing features
Everything included in the platform — from day-one essentials to the advanced modules teams grow into.
API Client
Request Collections
Automated Tests
Mock Servers
Environment Variables
Team Workspaces
CI Integration
Auto Docs
PostByte API Testing use cases & industries
Software Development
PostByte API Testing for software development teams — API tools tuned to the workflows, compliance and reporting software development organisations need.
Technology
PostByte API Testing for technology teams — API tools tuned to the workflows, compliance and reporting technology organisations need.
SaaS
PostByte API Testing for saas teams — API tools tuned to the workflows, compliance and reporting saas organisations need.
Finance
PostByte API Testing for finance teams — API tools tuned to the workflows, compliance and reporting finance organisations need.
Company size
Integrations
PostByte API Testing pricing
Transparent per user, per month pricing with a free trial. Volume and annual discounts available on request.
PostByte API Testing vs alternatives
How PostByte API Testing compares with other API tools options on rating, pricing and deployment.
| Product | Rating | Starting price | Free plan | Deployment | |
|---|---|---|---|---|---|
| PBPostByte API Testing | ★ 4.6 | $0 | Yes | Cloud (SaaS) | This product |
| APAPIForge API Management | ★ 4.6 | $0 | Yes | Cloud (SaaS) | View APIForge API Management |
PostByte API Testing — frequently asked questions
Can PostByte run API tests in CI?
Yes. Save request collections as automated tests and run them in your CI pipeline to catch breaking API changes before release. Full answer →
What customers say about PostByte API Testing
“PostByte is the API client our whole team shares. Automated tests in CI catch broken endpoints before they ship.”
“Mock servers let our frontend build against APIs that did not exist yet. Huge for parallel work.”
Related API tools
Ready to see PostByte API Testing in action?
Book a walkthrough with our team, get a tailored quote, or ask about customisation and integrations for your organisation.
- Live demo configured with your own workflows
- Quote within one business day
- Setup, data migration and training included