Payments engineered for the enterprise.
End-to-end integration across your platform and any processor, gateway, or acquirer you already rely on — with the tokenization, 3-D Secure, EMV, ACH, and messaging rails beneath them.
Built to PCI DSS scope-minimization from day one
Payments as a first-class engineering domain
Standards & security
PCI DSS Scope-minimization
3-D Secure
EMV
ISO 8583
ISO 20022
OAuth 2.0 / OIDC
Tokenization
MULTI-PROVIDER
Platform & multi-provider reach
Route transactions through the ClientLoop platform or orchestrate across multiple external processors. Provider-agnostic abstraction layers mean no lock-in.
Provider-agnostic abstraction — no lock-in
Least-cost routing & gateway A/B testing
Automatic failover across processors
Idempotent capture & refund logic
Reconciliation, ledgering & webhooks
PLUGINS & CONNECTORS
Custom plugins & connectors
Bespoke plugins and middleware for CRM, e-commerce, and ERP systems — embedding payments directly into the tools your team already uses.
Embedded payment capture & invoicing
Subscription billing & settlement reporting
CRM, e-commerce & ERP middleware
REST, GraphQL & gRPC APIs
OAuth 2.0 & OIDC secured access
MOBILE & DEVICE
Mobile & device integrations
Payments extended to native and cross-platform mobile apps and to physical hardware — from terminals to embedded devices.
Native & cross-platform mobile apps
POS terminals & card readers
IoT / embedded & secure-element workflows
NFC & EMV chip
In-app and hosted-field card entry
CLOUD & SCALE
Cloud-native & built to scale
Serverless and containerized architectures designed to stay responsive through demanding sales events — from hundreds to millions of transactions.
Serverless (FaaS) & Kubernetes
AWS, Azure, Google Cloud & Cloudflare
Edge compute, edge KV & caching
Managed queues & event streams
Autoscaling & back-pressure handling
FULL-STACK
Full-stack engineering depth
The right runtime matched to each workload — conversion-optimized checkout on the front end, high-performance integration services on the back end.
Front-end: React, Next.js, Vue, Svelte, Angular, Qwik
Back-end: Node.js, .NET, Java, Kotlin, Go, Rust, C/C++
Responsive, accessible, conversion-optimized checkout
Runtime tuned to performance, concurrency & latency
TECHNOLOGY
The stack we build on
We match the right framework, runtime, and infrastructure to each workload’s performance, concurrency, and latency requirements.
Front-end
React
Next.js
Vue
Svelte
Angular
Qwik
Back-end
Node.js
.NET
Java
Kotlin
Go
Rust
C / C++
Cloud & Edge
AWS
Azure
Google Cloud
Cloudflare
Kubernetes
Edge compute
Protocols & Security
PCI DSS
3-D Secure
EMV
ISO 8583
ISO 20022
OAuth 2.0 / OIDC
Let’s architect your payment backbone.
From a single embedded checkout to a multi-region, high-throughput payment system — ClientLoop has the technical depth to design, build, and scale it.
