Everything a serious buyer needs before “start trial.”
Clean’s public resource library brings product method, trust boundaries, security, pricing, migration and API authority into one evaluation path.
The Clean Method
Follow the six-stage evidence chain from normalized input to policy result and immutable receipt.
Read methodology → 02 / EVALUATEBuyer Guide
Six questions for separating a verification engine from a marketing page.
Open guide → 03 / SECURESecurity Model
Identity, tenant, credential, evidence and network boundaries Clean actually owns.
Inspect controls → 04 / MIGRATEMigration Playbook
A six-phase way to compare, shadow, inspect and cut over without blind trust.
Plan migration → 05 / BUYPricing & Planner
Published packs, monthly plans and a volume planner that refuses to invent discounts.
Model volume → 06 / BUILDDeveloper Contract
The API request/response model, credential boundary and stable decision vocabulary.
Review API → 07 / VERIFYTrust Center
See explicit product boundaries including consent, certainty, checkout and proof claims.
Read trust → 08 / COMPAREWhy Clean
Compare operating-model choices without relying on named-competitor claims.
Compare approach → 09 / EXPERIENCEInteractive Tour
Run Clean’s real non-SMTP preview and see how the evidence model carries into authenticated surfaces.
Take the tour → 10 / INTERPRETDecision Guide
Understand safe, review, suppress and unresolved without collapsing evidence into a black-box status.
Read decisions → 11 / OPERATEBulk Clean Guide
Follow CSV upload, email-column detection, persisted processing, reconciliation and evidence-bearing export.
Explore bulk →