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Core platform

Edge Propagation

Feature flags that travel at the speed of your users. Every evaluation is local, every update streams globally in milliseconds — no cold starts, no round trips.

Live edge latency
300+ nodes healthy
LocationRegionP99 eval time
New Yorkus-east4ms
Londoneu-west6ms
Singaporeap-se8ms
São Paulosa-east11ms
Sydneyap-se-29ms
Frankfurteu-central5ms
<15ms
P99 flag evaluation
300+
Edge locations
<100ms
Global propagation

Under the hood

How a flag change reaches every user

01

You save a change

A flag update is written to the origin control plane and versioned immediately.

02

Origin fans out

A streaming diff is broadcast to every edge PoP simultaneously over persistent connections.

03

Edge applies locally

Each node patches its in-memory rule set. No full sync — just the delta.

04

User gets it instantly

The next SDK evaluation reads the new rule locally. Zero added latency to your request.

Capabilities

Built for global scale

Local evaluation

Flag rules are cached at the edge. Evaluation is synchronous with no outbound requests on your hot path.

Streaming updates

Config changes stream from origin to every edge node in under 100ms globally.

300+ locations

Nodes in every major metro. Your users always hit a nearby edge point regardless of geography.

Stale-while-revalidate

If the network hiccups, edge nodes serve the last good config rather than failing open or closed.

Speed where it matters

Flags that update everywhere in under 100ms. No infrastructure to manage.

  • No credit card required
  • Free forever tier