Custom Development · Engineering

If you can define the problem, we can build the software.

From a new product idea to production software — web, mobile, embedded, payments, AI and connected systems. Paying brings the engineering team to design it, build it and ship it.

production-build / architecture
PROJECT ▾ apps mobile/ terminal/ ▾ services payments/ integration/ ▾ infrastructure deploy/
architecture.tsBUILD PASSING
EXPERIENCE
Mobile
Web
Embedded
SERVICES
Business logic
Payments
Integrations
PRODUCTION
Cloud
Devices
Legacy
✓ tests✓ integration✓ deployREADY FOR PRODUCTION →
The developer reality

Custom integration shouldn't require a phone call.

We've integrated against enough payment infrastructure to know where developer experience breaks. So we treat self-service, predictable behavior and boring fundamentals as product requirements.

01 / DOCS

Real documentation.

Request shapes, response shapes, edge cases and runnable examples. If an engineer can't self-serve the integration from the docs, the docs aren't finished.

02 / AGENTS

MCP-native by default.

Expose product capabilities to AI agents and MCP-compatible clients without building another layer of glue code around the API.

03 / FUNDAMENTALS

Predictable auth & errors.

Scoped keys, stable error codes, signed webhooks and machine-readable details. The fundamentals should disappear into the implementation.

Developer surface area

Everything you need to integrate, ship and operate.

A developer surface that spans REST APIs, MCP servers, system status and custom engineering when the platform needs to go further.

REST API

Landed.net API

Create, manage and publish sites programmatically with a production REST surface.

MCP SERVER

Landed.net MCP

Manage sites and publishing directly from MCP-compatible agents and tools.

MCP SERVER

Puny.io MCP

Create secure links, capsules and branded URLs programmatically.

MCP SERVER

Ask MCP

Send branded payment requests and consume payment confirmation callbacks in agentic workflows.

OPERATIONS

System Status

Component-level service health and incident visibility for production operations.

ENGINEERING

Custom Development

When the platform stops, our engineers extend it: integrations, custom software, terminal software and white-label tooling.

Product ecosystem

One engineering philosophy. Multiple surfaces.

Build classic integrations or connect agentic workflows. The protocol changes; the underlying primitives stay consistent.

Landed.netREST API + MCP
Programmatic site creation and publishing.
Puny.ioREST API + MCP
Secure links, capsules and usage controls.
AskREST API + MCP
Payment requests, merchant workflows and callbacks.
PulseGateway infrastructure
A unified integration layer across payment processors.
How Paying fits

Engineering that meets your team at the hard part.

Use our self-service tools where they fit. Bring in our engineers where the problem stops being ordinary integration work.

YOUR TEAM

Product + domain expertise

VisionBusiness rulesCustomersExisting systems
+
PAYING

Engineering + specialist depth

SoftwarePaymentsAISecurityInfrastructure
ONE DELIVERY TEAM

Plan → Build → Integrate → Test → Ship

Your stack. Your tools. Your cadence.
Self-serve option

Already know what you need built?

Get an estimate with Benchmark
Engineer to engineer

Tell us your integration.

Tell us what you're connecting, the stack you're working in and where you're stuck. We'll route the conversation to someone who understands the implementation — not just the pitch.

Start your project

Sales online

Tell us about your project — we route you to the right specialist.

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