Vercel

Testing Commands

Test deployments on Vercel. Learn to use preview deployments, bisect for regressions, generate bypass tokens, and validate deployment behavior.

7 commands

Pro Tips

Preview deployments get unique URLs for every git push, perfect for testing before production.

Use bypass tokens to access password-protected deployments in CI/CD pipelines.

$ vercel bisect

Binary search to find deployment that introduced bug

$ vercel bisect --run ./test.sh

Automated bisect with test script

$ vercel bisect --path /blog/first-post

Bisect testing specific URL path

$ vercel bisect --good <url> --bad <url>

Bisect with known good and bad deployments

$ vercel curl /api/hello

Make request with auto bypass token

$ vercel curl /api/users -X POST -d '{"name":"John"}'

Send POST request to deployment

$ vercel httpstat /api/hello

Visualize HTTP request timing phases