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Integrations
Built to Fit Your Estate, Not Fight It
API-First, Standards-Based Integration
A national Post runs on dozens of systems that predate any vendor. Escher connects to all of them with documented APIs, event streams and file transfer, on the standards a Post already speaks.
The "Rip-and-Replace" Trap
A Post cannot switch off the systems it already runs: track-and-trace, payments, identity, ERP, sortation, customs and government back-ends. A platform that demands you replace them first is a platform that never goes live.
Generic connectors and undocumented interfaces push the integration risk onto your teams. Every gap surfaces late, in testing or pilot, when it is most expensive to fix and hardest to explain.
Every Pattern, One Platform
The platform meets your estate on its own terms. Real-time REST APIs, publish-subscribe events and checkpointed file transfer cover every exchange, and each integration is specified by pattern, protocol, frequency, direction and security before a line of code is written.
Standards in the Core
UPU S10 and S40, ISO 20022, ICS2 and Electronic Advance Data, OIDC, SAML and PCI DSS, all OpenAPI-specified, so your teams and ours work from the same contract.
Hardware Agnostic
Runs on Windows, Android and iOS across counters, handhelds, kiosks and tablets, and drives the scales, printers, payment terminals and scanners you already own. Refresh hardware on your schedule, not ours.
No Big Bang
Run alongside incumbent systems, adopt one domain first, keep both reconciled during transition, and migrate branch by branch and region by region, with rollback at every stage.
Escher has delivered phased national rollouts across estates above 11,000 branches, integrating with the track-and-trace, payments, sortation and customs systems those Posts already ran. Every reference architecture names your systems, not placeholders, and every pattern is already running somewhere comparable.
IT & Procurement Confidence
Security: APIs secured with OAuth 2.0 and mTLS, versioned and documented for every platform function.
Interoperability: REST, event streaming, batch file transfer and enterprise service bus, mapped to your architecture standards.
Delivery: A gated lifecycle your PMO will recognise, from discovery and solution design through build, testing, pilot and national rollout.
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