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More context.
Better decisions.

InstantBlock brings browser, network and interaction signals together for a decision your application can verify. It is built to help you reduce automated abuse while retaining a path for legitimate visitors.

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One result, informed by many signals.

See the outcome in your dashboard. Verify the signed token in your own backend.

Look at the whole session.

Each category adds context. The decision should make sense for the action being protected, not for a single browser setting.

Browser environment

Compare browser capabilities and integrity signals for combinations that do not fit a normal visit.

Connection context

Use request and network characteristics alongside browser evidence, rather than treating an IP address as a complete identity.

Interaction patterns

Consider how a session moves through the page when interaction is available, with room for touch, keyboard and different devices.

Automation indicators

Detect technical signs of scripted browsers and tampered runtimes as part of a broader risk assessment.

Session verification

A browser-side check and proof of work add a per-session step before a protected action continues.

History and velocity

Spot unusual reuse and request patterns across sessions without asking visitors to create an InstantBlock account.

Fit protection to your site.

Choose where to run verification, tune site settings and inspect outcomes in the dashboard. Your backend makes the final decision on each protected action after checking the token.

  • Create and manage more than one site from one account.
  • Review recent decisions and investigate patterns.
  • Adjust site thresholds as you learn from real traffic.
See the integration guide
Site settings
Protected actionYour choice
Risk thresholdConfigurable
Decision handlingYour backend
You decide how a verdict affects the visitor journey.

A useful answer for each session.

A verification outcome can allow the action, ask for more evidence, or stop it. Your application checks the signed decision before acting.

01 / Allow

Keep the journey moving

A valid accept decision lets your application continue the protected action.

02 / Review

Gather more confidence

When evidence is uncertain, the flow can ask the visitor for a follow-up check.

03 / Stop

Protect the action

Your backend can decline the action when the signed decision is a reject.

Build a better boundary for your site.

Connect a browser action, watch the outcomes and tune protection as your traffic evolves.

Create an account How it works