Updated
Updated · AWS Blog · Oct 19
AWS Launches Lambda Web Functions, Adds S3 to Vercel Marketplace in 5 Regions
Updated
Updated · AWS Blog · Oct 19

AWS Launches Lambda Web Functions, Adds S3 to Vercel Marketplace in 5 Regions

3 articles · Updated · AWS Blog · Oct 19

Summary

  • Lambda Web Functions lets developers deploy standard HTTP servers such as Express, Fastify and Next.js to a live HTTPS URL in under a minute without adapters or event-handler rewrites.
  • 128 concurrent requests can share one execution environment, while billing tracks CPU time rather than wall-clock time, improving economics for server-side rendering, API backends and streaming inference endpoints.
  • Five AWS Regions initially support the service on Node.js 24 and Arm64 with VPC connectivity; the same deploy command can add multi-region replication, latency-based routing and weighted canary rollouts behind one global URL.
  • Amazon S3 also became available through the Vercel Marketplace and v0, allowing teams to provision buckets, S3 Tables and S3 Vectors from Vercel using short-lived OIDC credentials instead of stored AWS keys.
  • AWS framed the launches alongside a push for stronger agent controls, arguing in a new Trust in Depth post that permissions should be enforced outside an agent’s own reasoning through Bedrock AgentCore gateway policies.

Insights

By integrating directly with Vercel and standard frameworks, is AWS quietly admitting their traditional serverless models were too complex for everyday developers?
Lambda Web Functions finally let standard HTTP apps run without rewrites. Will this completely kill the need for containers in modern web deployments?
AWS's own AI hacked 33 real vulnerabilities. Could your autonomous agents become a massive security threat without these new gateway-level constraints?