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Choosing a document verification partner is a significant decision. These pages help procurement and operations teams understand how TamperCheck compares to the tools they're evaluating — on pricing, privacy posture, and what it actually takes to get started. Note that TamperCheck works on digital PDFs and scanned hard copies alike — including physical stamp verification and handwritten signature analysis, not just native digital files.
TamperCheck vs Sumsub: tamper API vs. full compliance & verification platform
TamperCheck is a focused document fraud API with BYOK and simple economics. Sumsub is a broad compliance platform—KYC, KYB, transaction monitoring, crypto travel rule—where document checks sit inside a much larger verification and AML story.
Transparent pricing: TamperCheck publishes $0.50 per document after your $5 credits — pay-as-you-go, no seat fees, no opaque tiers. Full pricing →
Digital PDFs
text layer + raster analysis
Phone photos & scans
camera captures and flatbed scans
Physical stamp verification
ink bleed, embossing, overlay detection
Handwritten signature analysis
forgery and substitution checks
Side-by-side
| What matters to your team | TamperCheck.ai | Sumsub |
|---|---|---|
| Core focus | Document tampering and synthesis | Full compliance platform (KYC, KYB, AML) |
| Data retention | Zero storage (ephemeral processing) | Retains PII for compliance/audit logs |
| Pricing | $0.50 per document (pay-as-you-go) | Volume-based enterprise tiers |
| AI model control | Bring your own LLM | Vendor-managed models |
| Integration style | Single REST API endpoint | Mobile SDKs + API + Compliance Dashboard |
| Detection method | 130+ forensic layers (pixels, metadata, fonts) | Document authenticity + biometric face match |
| Time to live | Minutes (grab an API key) | Weeks (SDK integration & policy setup) |
| Trial access | $5 free credits, no card | Sales demo / Sandbox |
When to choose TamperCheck
- You need deep tamper explainability and BYOK without adopting a full compliance suite.
- You’re a product/engineering team pricing a single API—not procuring enterprise KYC for every geography at once.
When to choose Sumsub
- You want one vendor for KYC, KYB, AML monitoring, and regulatory coverage across markets.
- You need analyst tooling, case management, and crypto-specific workflows out of the box.
Compliance platform vs. forensic microservice
Sumsub’s strength is breadth: many check types, jurisdictions, and product lines in one account. TamperCheck’s strength is depth on the document: forensic layers, AI adjudication with BYOK, and an API that doesn’t pretend to be your entire compliance department.
Choose Sumsub when you’re building programmatic compliance. Choose TamperCheck when you’re trying to win arguments about suspicious uploads with structured evidence—and keep AI costs under your provider contract.
See results in minutes — not after a sales cycle
Start with $5 in free credits. No contract, no minimum commitment, no card required. Upload your first document and get a verdict in seconds.
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