✦ ISLAMIC BANKING
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Islamic Financing

Istisna Construction Financing

isb-istisna-construction-financing · isb-financing

A Shariah-native BIAN service domain in Islamic Financing. It applies the Fulfill functional pattern to the Istisna Facility, with the Istisna Facility Fulfillment Arrangement as its control record — one isolated Spring Boot microservice.

View repository ↗The 48-domain landscape ↗

Business DomainSale Based Financing
Functional PatternFulfill
Asset TypeIstisna Facility
Control RecordIstisna Facility Fulfillment Arrangement

USEWhat it is used for

Representative use cases for the Istisna Construction Financing service domain within a Shariah-compliant core-banking landscape.

APIBIAN semantic API

Each service domain exposes its control record (Istisna Facility Fulfillment Arrangement) through uniform BIAN action terms. Java 21 · Spring Boot 3, with OpenAPI at /swagger-ui.html.

MethodPathBIAN action
GET/v1/service-domainService metadata
POST/v1/istisna-facility-fulfillment-arrangement/initiateInitiate
GET/v1/istisna-facility-fulfillment-arrangement/{crId}/retrieveRetrieve
PUT/v1/istisna-facility-fulfillment-arrangement/{crId}/updateUpdate
PUT/v1/istisna-facility-fulfillment-arrangement/{crId}/controlControl (suspend / resume / terminate)

INTBackend integrations

The systems and standards a real deployment of Istisna Construction Financing would transact with.

RUNRun it yourself

Each domain is its own standalone Spring Boot repository — clone and run in seconds, or deploy onto Kubernetes with the bundled Helm chart.

# run this domain standalone
git clone https://github.com/Sreenivas-Sadhu-Prabhakara/isb-istisna-construction-financing
mvn -f isb-istisna-construction-financing spring-boot:run
curl localhost:8080/v1/service-domain

# or deploy onto Kubernetes (Cilium mesh)
helm upgrade --install isb-istisna-construction-financing ./helm -n isb-financing

FAQQuestions

What is Istisna?
Istisna is a manufacturing or construction contract: the bank commissions and finances the making of an asset to specification for delivery later, useful for project and construction finance without interest.
What business area does Istisna Construction Financing belong to?
Istisna Construction Financing sits in the Islamic Financing business area — asset-backed Islamic financing, where the bank trades in or co-owns real assets instead of lending money at interest. It follows the BIAN Fulfill functional pattern over the Istisna Facility asset, with the Istisna Facility Fulfillment Arrangement as its control record.
How is this isolated from conventional banking?
Completely. The Islamic landscape shares no code, repositories, namespaces or events with the conventional platform. This domain lives in the isb-financing namespace with an isb-* repository and com.bank.islamic package, so the two can never mix by accident.
Is this a certified Shariah-compliant product?
No. It is an educational reference implementation in the BIAN service-domain style. Actual Shariah compliance of any real deployment requires certification by a qualified Shariah Supervisory Board. Standards referenced: AAOIFI, IFSB, IIFM.

SEEIn the landscape

Istisna Construction Financing is one of 48 Shariah-native service domains. Explore the whole platform:

✦ Platform overview The Master Catalog (48 domains) This repository ↗