Developer Tool

Assay

Self-hosted API testing suite

Assay dashboard mockup
Dashboard preview — assay running on your own machine
What it does

Define API test cases with expected status codes, headers, and body assertions. Run them on a schedule, alert on failures. Postman Collections without Postman's $12/user/mo.

Replaces Postman $12/user/mo
Stockyard Assay $7.99/mo · self-hosted · your data
What you get

Unlimited tests, environments, CI webhook trigger, history and diffs. Self-hosted on your hardware, no usage caps, no phone-home, your data stays on disk forever.

Install
Terminal · macOS / Linux / Windows
curl -fsSL https://stockyard.dev/install/assay.sh | sh

One ~13MB binary. No Docker, no dependencies, no background daemons.

14 days free
Then $7.99/mo. Cancel anytime. Your data stays.
Start 14-day trial Browse all tools
Credit card required. $0 charged today. Reads always work even after trial ends.