We build privacy-first consent infrastructure — fast, auditable, and developer-friendly.

Trusted by product and marketing teams to capture, sync, and govern consent across websites, apps and email systems. We focus on clear audit trails, minimal data transfer, and keeping deliverability high.

Customers
1,200+
Events processed
350M+
Avg. Time
~2 days

Get started Developer docs Contact sales

Our mission

Make privacy and consent simple to implement without compromising user experience or inbox health.

Privacy-first

Minimal data transfer, pseudonymization options, and strong defaults so you only send what’s necessary.

Reliable

Event ordering, retries, and delivery logs so downstream systems stay consistent and auditable.

Developer-friendly

SDKs, clear docs, and pragmatic APIs built for engineers who want to move fast.

Practical

Compliance tools that ship with sensible defaults — saving teams time and risk.

Leadership

Product, engineering, and deliverability experts who previously worked at email platforms and compliance teams.

Pooja R — CEO

Pooja R

Co-Founder & CEO — product, partnerships, and business strategy.

LinkedIn

Abhinav Shaurya Agarwal — Head of Engineering

Abhinav Shaurya Agarwal

Head of Engineering — infrastructure, APIs, and SDKs.

LinkedIn

Amrita Badri — Head of Deliverability

Amrita Badri

Head of Deliverability — inbox placement and compliance.

LinkedIn

Sakshi Rai — Customer Success

Sakshi Rai

Customer Success — onboarding and trust & safety.

LinkedIn

Our story

A short timeline of product milestones and growth.

2019 — Founded to solve consent fragmentation for email and marketing platforms.
2021 — Public integrations: Mailchimp, HubSpot, Salesforce.
2023 — 100M events processed; launched advanced privacy controls for EU customers.
2025 — Public SDKs, webhook signing, and improved delivery guarantees.

FAQ & Press

Common questions and recent press mentions.

How do you handle GDPR requests?
We support data access and erasure workflows via the API and dashboard. You can pseudonymize records or export consent snapshots for audits.
Can I build a custom connector?
Yes — we provide an OpenAPI spec and a connector framework. Enterprise customers can request a custom build via support.
What guarantees do you provide for webhooks?
Signed payloads, delivery logs, and exponential backoff retries with deduplication IDs.

Ready to evaluate Whistler Digital?

Start a free trial, schedule a demo, or speak with our integrations team to discuss custom connectors and volume needs.

Start free trial Schedule demo Contact sales