In the wild.

70+ examples. One primitive. Across industries and data flows.

Polymonial does a lot. These use case examples show how — across the flows your business already runs (a CSV, an API, an EDI feed, a healthcare record exchange etc) and the problems it already faces (proving compliance, sharing data with partners, migrating off legacy crypto etc). Filter by your sector, the data flow you have today, the theme you care about, or the problem you’re trying to solve.

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Webhook ×EDIFACT ×File ×REST API ×Keep data inside borders ×Defend critical infrastructure ×Send data to a third party ×

Showing 18 examples

EXA14

PublicSector

Sovereign AI Inference

Query foundation models hosted outside your jurisdiction without the prompt or response leaving home — Schrems II / FedRAMP High / DoD IL5 / EU AI Act Article 16 conformance via cryptography rather than via dedicated sovereign clouds.

REST APISovereigntyPrivacy

EXA22

PublicSector

National ID Without Surveillance

A national identity scheme citizens trust — usable everywhere, observable nowhere.

OAuthJWTREST APIIdentitySovereignty

EXA28

Universal

Schema-as-Firewall

OpenAPI 3.1 + JSON Schema 2020-12 contracts cryptographically enforced at the gateway — malformed payloads rejected without decryption.

REST APIGraphQLInfraSecCompliance

EXA29

Finance

Threat Intelligence Sharing

Sector ISACs exchange STIX 2.1 indicators over TAXII 2.1 — Polymonial wraps the bundle so cross-correlation runs across every member without exposing any single contributor's customer list, network map, or detection method.

REST APIDatabaseFederationInfraSec

EXA37

Universal

API Schema Wrapping

Wrap your existing OpenAPI in cryptographic policy enforcement — same callers, same endpoints, less leakage.

REST APIGraphQLPrivacyInfraSec

EXA38

Universal

Sealed File Drops

SFTP CSV file drops still leak plaintext PII daily — Polymonial seals them at the row level so the recipient queries instead of reads.

CsvSFTPExcelPrivacySharing

EXA39

Retail

EDI Without Eavesdropping

EDI invoices and ASNs flow plaintext through every node in the trading chain — Polymonial seals each segment so intermediaries see only their slice.

EDI X12EDIFACTPrivacySharing

EXA40

Healthcare

FHIR Selective Disclosure

When healthcare systems exchange a Patient resource today, the receiver gets the full record — Polymonial wraps each FHIR field so they get only what their role requires.

HL7/FHIRREST APIPrivacySharing

EXA43

Universal