Customer.io
What Customer.io does well
Developer-friendly behavioral messaging (email, SMS, push) with strong segmentation APIs.
Growth squads exporting warehouse events pipe Customer.io for experiments—fine until brokers need ICA-safe templates and audited sends per transaction.
Often still need other software for
- Messaging layers still need separate disbursement math, recruiter UX, ticketing—unless brokerage OS merges them intentionally.
