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Supabase Edge Functions free hosting

Supabase Edge Functions

A small HTTP MCP server or authenticated API connected to a hosted Postgres project.

Facts

Free allowance
500,000 function invocations/month
Plan limits
100 functions/project · 256 MB memory · 150-second workers
Storage
Function bundles are limited to 20 MB via local CLI bundling or 5 MB when bundled server-side. These are code-size limits, not persistent file-storage entitlements.
Account
A Supabase account and Free project are required. A payment method is not established as necessary for this workload by the reviewed sources.
Retention
Free projects with insufficient database activity over roughly 7 days can be paused. A paused project can be restored within 1 year.
Custom domain
Functions receive a project-specific supabase.co URL. Free custom-domain entitlement for function serving was not established.
Password protection
No Free shared-site password entitlement verified. JWT and OAuth authentication are distinct from a shared viewer password.
Billing
Free includes 500,000 invocations per month; the pricing table shows no Free overage rate. The exact response to exhausting this allowance was not verified.
Execution
Deno-based request handlers with 256 MB memory, 2 seconds of CPU per request, 150-second maximum worker wall-clock duration on Free, and a 150-second request idle timeout.

Worth knowing

Free projects may pause for inactivity. HTML responses are rewritten to text/plain unless supported custom-domain configuration is used; this listing does not claim Free static-site hosting.

Reviewed 2026-10-12 from official documentation. Deployments have not been tested.

Sources

Edge Functions pricing ↗Runtime and deployment limits ↗Host your own remote MCP server ↗Function deployment CLI ↗Free project pausing ↗
Visit Supabase Edge Functions ↗

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Each record has its own review date (October 11–12, 2026); deployments, privacy, support, and uptime have not been tested. There are no paid placements or affiliate links in this edition.

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