Mastercard

Mastercard Issuer API

Contains APIs which will be consumed by the Issuer's backend system.

Documentation GitHub OpenAPI

Operations 4

GET /issuers Mastercard Fetches the Issuer Details #

PUT /issuers Mastercard Allows Issuer to Update the Issuer Details to the Carbon Calculator… #

POST /issuers/users Mastercard Allows Issuer to Enroll Cardholders to the Carbon Calculator… #

PUT /issuers/users/{userid} Mastercard Allows Issuer to Update Enrolled User Information Onto Carbon… #

Documentation

https://developer.mastercard.com/mastercard-id-for-tp/documentation/api-reference/

https://developer.mastercard.com/mastercard-id-for-idp/documentation/api-reference/

https://developer.mastercard.com/doconomy-aland-index/documentation/getting-started/

https://developer.mastercard.com/doconomy-aland-index/documentation/api-basics/#authentication

https://developer.mastercard.com/doconomy-aland-index/documentation/api-reference/

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/api-reference/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/getting-started/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/api-basics/authentication-and-encryption/#authentication

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/api-reference/

https://developer.mastercard.com/merchant-self-services/documentation/api-reference/

https://developer.mastercard.com/fld-suspected-fraud/documentation/api-basics/#authentication

https://developer.mastercard.com/fld-suspected-fraud/documentation/api-reference/

https://developer.mastercard.com/fld-fraud-submission/documentation/api-basics/#authentication

https://developer.mastercard.com/fld-fraud-submission/documentation/api-reference/

https://developer.mastercard.com/identity-insights-for-accounts/documentation/api-reference/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/api-reference/

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/api-reference/

https://developer.mastercard.com/unified-installments/documentation/api-basics/#authentication

https://developer.mastercard.com/unified-installments/documentation/api-reference/

https://developer.mastercard.com/locations-merchants/documentation/quick-start-guide/

https://developer.mastercard.com/locations-merchants/documentation/api-reference/

https://developer.mastercard.com/locations/documentation/quick-start-guide/

https://developer.mastercard.com/locations/documentation/api-reference/

https://developer.mastercard.com/donations/documentation/getting-started/

https://developer.mastercard.com/donations/documentation/api-reference/

https://developer.mastercard.com/mastercard-insurance-programs/documentation/api-basics/#authentication

https://developer.mastercard.com/mastercard-insurance-programs/documentation/api-reference/

https://developer.mastercard.com/card-issuance/documentation/getting-started/

https://developer.mastercard.com/card-issuance/documentation/api-basics/#authentication

https://developer.mastercard.com/traditional-fulfillment-service/documentation/api-reference/

https://developer.mastercard.com/user-account-management-service/documentation/api-reference/

Specifications

https://raw.githubusercontent.com/api-evangelist/mastercard/refs/heads/main/openapi/mastercard-issuer-api-openapi.yml

Code Examples

https://developer.mastercard.com/mastercard-id-for-tp/documentation/postman-collection/

https://developer.mastercard.com/mastercard-id-for-tp/documentation/reference-app/

https://developer.mastercard.com/mastercard-id-for-idp/documentation/reference-app/

https://developer.mastercard.com/doconomy-aland-index/documentation/reference-app/

https://developer.mastercard.com/doconomy-aland-index/documentation/postman-collection/

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/reference-app/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/reference-app/

https://developer.mastercard.com/merchant-self-services/documentation/reference-app/

https://developer.mastercard.com/merchant-self-services/documentation/postman-collection/

https://developer.mastercard.com/fld-suspected-fraud/documentation/reference-app/

https://developer.mastercard.com/fld-fraud-submission/documentation/reference-app/

https://developer.mastercard.com/identity-insights-for-accounts/documentation/reference-app/

https://developer.mastercard.com/identity-insights-for-accounts/documentation/postman-collections/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/reference-app/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/postman-collection/

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/reference-app/

https://developer.mastercard.com/unified-installments/documentation/reference-app/

https://developer.mastercard.com/unified-installments/documentation/postman-collection/

https://developer.mastercard.com/locations-merchants/documentation/integration-and-testing/#insomnia

https://developer.mastercard.com/locations-merchants/documentation/integration-and-testing/#postman

https://developer.mastercard.com/locations-merchants/documentation/reference-app/

https://developer.mastercard.com/locations/documentation/integration-and-testing/#insomnia

https://developer.mastercard.com/locations/documentation/integration-and-testing/#postman

https://developer.mastercard.com/locations/documentation/reference-app/

https://developer.mastercard.com/donations/documentation/reference_app/

https://developer.mastercard.com/donations/documentation/postman-collection/

https://developer.mastercard.com/card-issuance/documentation/reference-app/

https://developer.mastercard.com/traditional-fulfillment-service/documentation/reference-app/

https://developer.mastercard.com/traditional-fulfillment-service/documentation/postman-collection/

https://developer.mastercard.com/user-account-management-service/documentation/reference-app/

Other Resources

https://developer.mastercard.com/mastercard-id-for-tp/documentation/api-basics/#api-security

https://developer.mastercard.com/mastercard-id-for-tp/documentation/api-basics/#encryption

https://developer.mastercard.com/mastercard-id-for-tp/documentation/api-basics/#environments

https://developer.mastercard.com/mastercard-id-for-tp/documentation/use-cases/

https://developer.mastercard.com/mastercard-id-for-tp/documentation/tutorials-and-guides/

https://developer.mastercard.com/mastercard-id-for-tp/documentation/code-and-formats/

https://developer.mastercard.com/mastercard-id-for-tp/documentation/release-history/

https://developer.mastercard.com/mastercard-id-for-tp/documentation/support/#faqs

https://developer.mastercard.com/mastercard-id-for-tp/documentation/support/#get-help

https://developer.mastercard.com/mastercard-id-for-idp/documentation/api-basics/#api-security

https://developer.mastercard.com/mastercard-id-for-idp/documentation/

https://developer.mastercard.com/mastercard-id-for-idp/documentation/api-basics/#environments

https://developer.mastercard.com/mastercard-id-for-idp/documentation/use-cases/

https://developer.mastercard.com/mastercard-id-for-idp/documentation/tutorials-and-guides/

https://developer.mastercard.com/mastercard-id-for-idp/documentation/code-and-formats/

https://developer.mastercard.com/mastercard-id-for-idp/documentation/release-history/

https://developer.mastercard.com/mastercard-id-for-idp/documentation/support/#faqs

https://developer.mastercard.com/mastercard-id-for-idp/documentation/support/#help

https://developer.mastercard.com/doconomy-aland-index/documentation/api-basics/#environments

https://developer.mastercard.com/doconomy-aland-index/documentation/use-cases/

https://developer.mastercard.com/doconomy-aland-index/documentation/tutorials-and-guides/

https://developer.mastercard.com/doconomy-aland-index/documentation/code-and-formats/

https://developer.mastercard.com/doconomy-aland-index/documentation/support/#faqs

https://developer.mastercard.com/doconomy-aland-index/documentation/support/#get-help

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/announcements/

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/api-basics/#api-security

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/api-basics/#environments

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/tutorials-and-guides/

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/use-cases/

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/code-and-formats/

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/testing/

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/testing/#test-data

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/release-history/

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/support/#faq

https://developer.mastercard.com/ethoca-alerts-for-merchants/documentation/support/#get-help

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/announcements/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/api-basics/authentication-and-encryption/#encryption

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/use-cases/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/tutorials-and-guides/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/code-and-formats/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/testing/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/release-history/

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/support/#faq

https://developer.mastercard.com/ethoca-consumer-clarity-for-merchants/documentation/support/#get-help

https://developer.mastercard.com/merchant-self-services/documentation/announcements/

https://developer.mastercard.com/merchant-self-services/documentation/api-basics/#api-security

https://developer.mastercard.com/merchant-self-services/documentation/api-basics/#environments

https://developer.mastercard.com/merchant-self-services/documentation/use-cases/

https://developer.mastercard.com/merchant-self-services/documentation/tutorials-and-guides/

https://developer.mastercard.com/merchant-self-services/documentation/code-and-formats/

https://developer.mastercard.com/merchant-self-services/documentation/testing/

https://developer.mastercard.com/merchant-self-services/documentation/release-history/

https://developer.mastercard.com/merchant-self-services/documentation/support/#faq

https://developer.mastercard.com/merchant-self-services/documentation/support/#get-help

https://developer.mastercard.com/fld-suspected-fraud/documentation/api-basics/#encryption

https://developer.mastercard.com/fld-suspected-fraud/documentation/api-basics/#environment-descriptions

https://developer.mastercard.com/fld-suspected-fraud/documentation/use-cases/

https://developer.mastercard.com/fld-suspected-fraud/documentation/tutorials/

https://developer.mastercard.com/fld-suspected-fraud/documentation/code-and-formats/

https://developer.mastercard.com/fld-suspected-fraud/documentation/support/#faq

https://developer.mastercard.com/fld-suspected-fraud/documentation/support/#get-help

https://developer.mastercard.com/fld-fraud-submission/documentation/announcements/

https://developer.mastercard.com/fld-fraud-submission/documentation/api-basics/#encryption

https://developer.mastercard.com/fld-fraud-submission/documentation/api-basics/#environment-descriptions

https://developer.mastercard.com/fld-fraud-submission/documentation/use-cases/

https://developer.mastercard.com/fld-fraud-submission/documentation/use-cases/testing/

https://developer.mastercard.com/fld-fraud-submission/documentation/tutorials/

https://developer.mastercard.com/fld-fraud-submission/documentation/code-and-formats/

https://developer.mastercard.com/fld-fraud-submission/documentation/support/#faq

https://developer.mastercard.com/fld-fraud-submission/documentation/support/#get-help

https://developer.mastercard.com/identity-insights-for-accounts/documentation/announcements/

https://developer.mastercard.com/identity-insights-for-accounts/documentation/api-basics/#api-security

https://developer.mastercard.com/identity-insights-for-accounts/documentation/api-basics/#environments

https://developer.mastercard.com/identity-insights-for-accounts/documentation/use-cases/

https://developer.mastercard.com/identity-insights-for-accounts/documentation/tutorials-and-guides/

https://developer.mastercard.com/identity-insights-for-accounts/documentation/code-and-formats/

https://developer.mastercard.com/identity-insights-for-accounts/documentation/testing/

https://developer.mastercard.com/identity-insights-for-accounts/documentation/support/#faq

https://developer.mastercard.com/identity-insights-for-accounts/documentation/support/#get-help

https://developer.mastercard.com/identity-insights-for-transactions/documentation/announcements/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/api-basics/#api-security

https://developer.mastercard.com/identity-insights-for-transactions/documentation/api-basics/#environments

https://developer.mastercard.com/identity-insights-for-transactions/documentation/use-cases/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/tutorials-and-guides/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/code-and-formats/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/testing/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/release-history/

https://developer.mastercard.com/identity-insights-for-transactions/documentation/support/#faq

https://developer.mastercard.com/identity-insights-for-transactions/documentation/support/#get-help

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/api-basics/#api-security

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/api-basics/#environments

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/use-cases/

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/tutorials-and-guides/

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/testing/

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/code-and-formats/

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/support/#frequently-asked-questions

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/support/#get-help

https://developer.mastercard.com/in-control-for-mobile-payments/documentation/glossary/

https://developer.mastercard.com/unified-installments/documentation/release-history/

https://developer.mastercard.com/unified-installments/documentation/api-basics/#api-security

https://developer.mastercard.com/unified-installments/documentation/api-basics/#encryption

https://developer.mastercard.com/unified-installments/documentation/api-basics/#environments

https://developer.mastercard.com/unified-installments/documentation/use-cases/mastercard-installments-program-with-merchant-participation/

https://developer.mastercard.com/unified-installments/documentation/tutorials-and-guides/

https://developer.mastercard.com/unified-installments/documentation/code-and-formats/

https://developer.mastercard.com/unified-installments/documentation/testing/

https://developer.mastercard.com/unified-installments/documentation/support/

https://developer.mastercard.com/locations-merchants/documentation/api-basics/#api-security

https://developer.mastercard.com/locations-merchants/documentation/api-basics/#environments

https://developer.mastercard.com/locations-merchants/documentation/integration-and-testing/

https://developer.mastercard.com/locations-merchants/documentation/integration-and-testing/#sandbox-test-data

https://developer.mastercard.com/locations-merchants/documentation/use-cases/

https://developer.mastercard.com/locations-merchants/documentation/code-and-formats/

https://developer.mastercard.com/locations-merchants/documentation/support/#faq

https://developer.mastercard.com/locations-merchants/documentation/support/#get-help

https://developer.mastercard.com/locations-merchants/documentation/announcements/

https://developer.mastercard.com/locations-merchants/documentation/release-history/

https://developer.mastercard.com/locations/documentation/api-basics/#api-security

https://developer.mastercard.com/locations/documentation/api-basics/#environments

https://developer.mastercard.com/locations/documentation/integration-and-testing/

https://developer.mastercard.com/locations/documentation/integration-and-testing/#sandbox-test-data

https://developer.mastercard.com/locations/documentation/use-cases/

https://developer.mastercard.com/locations/documentation/code-and-formats/

https://developer.mastercard.com/locations/documentation/support/#faq

https://developer.mastercard.com/locations/documentation/support/#get-help

https://developer.mastercard.com/locations/documentation/announcements/

https://developer.mastercard.com/locations/documentation/release-history/

https://developer.mastercard.com/donations/documentation/use-cases/

https://developer.mastercard.com/donations/documentation/api-basics/#environment-descriptions

https://developer.mastercard.com/donations/documentation/code-and-formats/

https://developer.mastercard.com/donations/documentation/support/#faqs

https://developer.mastercard.com/donations/documentation/support/#get-help

https://developer.mastercard.com/donations/documentation/support/#guides

https://developer.mastercard.com/donations/documentation/tutorials/

https://developer.mastercard.com/mastercard-insurance-programs/documentation/api-basics/#encryption

https://developer.mastercard.com/mastercard-insurance-programs/documentation/api-basics/#environments

https://developer.mastercard.com/mastercard-insurance-programs/documentation/use-cases/

https://developer.mastercard.com/mastercard-insurance-programs/documentation/tutorials-and-guides/

https://developer.mastercard.com/mastercard-insurance-programs/documentation/code-and-formats/

https://developer.mastercard.com/mastercard-insurance-programs/documentation/testing/

https://developer.mastercard.com/mastercard-insurance-programs/documentation/support/#faq

https://developer.mastercard.com/mastercard-insurance-programs/documentation/support/#get-help

https://developer.mastercard.com/card-issuance/documentation/getting-started/#glossary

https://developer.mastercard.com/card-issuance/documentation/api-basics/#encryption

https://developer.mastercard.com/card-issuance/documentation/api-basics/#environments

https://developer.mastercard.com/card-issuance/documentation/use-cases/

https://developer.mastercard.com/card-issuance/documentation/tutorials-and-guides/

https://developer.mastercard.com/card-issuance/documentation/code-and-formats/

https://developer.mastercard.com/card-issuance/documentation/support/#faqs

https://developer.mastercard.com/card-issuance/documentation/support/#get-help

https://developer.mastercard.com/traditional-fulfillment-service/documentation/api-basics/#api-security

https://developer.mastercard.com/traditional-fulfillment-service/documentation/api-basics/#environments

https://developer.mastercard.com/traditional-fulfillment-service/documentation/use-cases/

https://developer.mastercard.com/traditional-fulfillment-service/documentation/tutorials-and-guides/

https://developer.mastercard.com/traditional-fulfillment-service/documentation/code-and-formats/

https://developer.mastercard.com/traditional-fulfillment-service/documentation/release-history/

https://developer.mastercard.com/traditional-fulfillment-service/documentation/support/#faq

https://developer.mastercard.com/traditional-fulfillment-service/documentation/support/#get-help

https://developer.mastercard.com/user-account-management-service/documentation/api-basics/#api-security

https://developer.mastercard.com/user-account-management-service/documentation/api-basics/#environments

https://developer.mastercard.com/user-account-management-service/documentation/use-cases/

https://developer.mastercard.com/user-account-management-service/documentation/tutorials-and-guides/

https://developer.mastercard.com/user-account-management-service/documentation/glossary/

https://developer.mastercard.com/user-account-management-service/documentation/code-and-formats/

https://developer.mastercard.com/user-account-management-service/documentation/release-history/

https://developer.mastercard.com/user-account-management-service/documentation/support/#faq

https://developer.mastercard.com/user-account-management-service/documentation/support/#get-help

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Mastercard Carbon Calculator Experience Issuer API
  description: The Carbon Calculator Experience API enables issuers to provide their cardholders with visibility into their environmental impact and carbon footprint based on their spending habits. This API also provides cardholders with the option to make donations in support of environmental causes like forest restoration projects and support a positive impact on the environment.
  contact:
    name: API Support
    url: https://developer.mastercard.com/support
    email: apisupport@mastercard.com
  version: 1.0.0
servers:
- url: https://api.mastercard.com/cts
  description: Production
- url: https://sandbox.api.mastercard.com/cts
  description: Sandbox
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/mastercard/refs/heads/main/openapi/mastercard-issuer-api-openapi.yml