Self-host
Deploy your own non-custodial payment gateway and operate it in your own environment.
PayIn Open
A complete open-source stablecoin payment stack.
PayIn Open is the self-hosted, non-custodial path for merchants and developers who want control, transparency, and portability across stablecoin orders, deposits, webhooks, and operations.
Why open
Open stablecoin payment infrastructure merchants can inspect and operate.
Merchants handling payment operations may need source visibility, self-hosting control, custom integration paths, and the ability to audit how orders, deposits, monitoring, and webhooks work.
Inspect
Understand how payment flows, monitoring, configuration, and webhooks work.
Customize
Adapt PayIn Open to your merchant stack and operational requirements.
Control
Own your deployment, database, secrets, RPC providers, and production posture.
What is included
Merchant-ready payment operations, not just wallet addresses.
Order payments
Create checkout, invoice, and payment-link flows with payment status tracking.
Deposit flows
Support assigned addresses and account funding workflows across supported networks.
Webhooks and reconciliation
Connect chain events to merchant systems with operationally safe status updates.
Non-custodial and self-hosted
Control the infrastructure and keep merchant custody control.
PayIn Open gives merchants a transparent stack for payment orchestration, monitoring, webhooks, and reconciliation. Funds settle to merchant-controlled destinations while PayIn Open provides the software layer that makes those payments operational.
Self-custody compatible
Merchants keep control over wallet custody and treasury operations.
Auditable by design
Open-source infrastructure lets teams inspect how payment status and events are handled.
Operational layer
PayIn Open turns chain payments into orders, deposits, webhooks, and reconciliation workflows.
AI-agent-ready
Designed for developers and the AI agents helping them.
PayIn Open includes structured repository instructions and a deployment skill so an AI agent can help a merchant deploy sandbox, configure databases and RPC providers, test order payments, verify webhooks, and prepare production safely.
Cloud or Open
Same payment model, different operating responsibility.
Use PayIn Cloud when you want PayIn to operate the service. Use PayIn Open when you want to self-host, inspect, and control the infrastructure.
PayIn Cloud
Hosted. Fast onboarding. Merchant integration through APIs, hosted pages, webhooks, and production support.
PayIn Open
Self-hosted. Open-source. Merchant-controlled infrastructure with repo-local docs and agent-friendly deployment instructions.