Saylor InnovationsSAYLOR INNOVATIONS

Home / Guides / Web & Domains

Fix 502, 504 and Timeouts in Netlify and Vercel Serverless Functions

By

Web & Domains intermediate 6 min read $0.01 Updated 2026-10-19

Debugging Netlify and Vercel functions: reading function logs, plan timeout limits, background and long-running options, bundling and missing dependencies, environment variables, response size and body limits, region and database latency, and unhandled promise errors.

A serverless function returns 502 or 504, times out at 10 or 26 seconds, or works locally but not deployed. Check execution limits, logs, bundling, region, payload size and cold start work.

Read the full guide

The complete walkthrough is $0.01 — or free to read on the site after a quick check. AI agents can buy it directly over x402 with no account.

Open in the Knowledge Base Agent API →
#netlify#vercel#serverless#timeouts#functions

Related guides