--- title: PSP API documentation | eComCharge knowledge base description: Step-by-step instruction on how to manage your payment processing service with HTTP requests --- [Skip to content](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#main-content) - [English](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation) - [Русский](https://help.ecomcharge.com/knowledge-base-ru/psp-api-документация) English Show submenu for translations [Customer portal](https://help.ecomcharge.com/tickets) - [Subscribe to platform updates](https://share-eu1.hsforms.com/1iuchcnmzT9yq2VKMCRdsLwfnh6h) - [Support & Requests](https://help.ecomcharge.com/en/knowledge-base/support-requests) Open main navigation Close main navigation - [Subscribe to platform updates](https://share-eu1.hsforms.com/1iuchcnmzT9yq2VKMCRdsLwfnh6h) - [Support & Requests](https://help.ecomcharge.com/en/knowledge-base/support-requests) - - [English](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation) - [Русский](https://help.ecomcharge.com/knowledge-base-ru/psp-api-документация) English Show submenu for translations - [Customer portal](https://help.ecomcharge.com/tickets) - [eComCharge Blog](https://ecomcharge.com/blog/) [eComCharge Blog](https://ecomcharge.com/blog/) This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. 1. [eComCharge knowledge base](https://help.ecomcharge.com/en/knowledge-base) 2. [PSP API documentation](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation) # PSP API documentation Step-by-step instruction on how to manage your payment processing service with HTTP requests ## Introduction - [Introduction](https://help.ecomcharge.com/en/knowledge-base/api-introduction) ## Request requirements - [Request requirements](https://help.ecomcharge.com/en/knowledge-base/api-request-requirements) ## HTTP response codes - [HTTP response codes](https://help.ecomcharge.com/en/knowledge-base/api-http-response-codes) ## PSP ID and Secret Key - [PSP ID and Secret Key](https://help.ecomcharge.com/en/knowledge-base/api-psp-id-and-secret-key) ## Merchants - [Update a merchant account](https://help.ecomcharge.com/en/knowledge-base/api-update-a-merchant-account) - [Get merchant account details](https://help.ecomcharge.com/en/knowledge-base/api-get-merchant-account-details) - [Get the list of merchant accounts](https://help.ecomcharge.com/en/knowledge-base/api-get-the-list-of-merchant-accounts) - [Create a merchant account](https://help.ecomcharge.com/en/knowledge-base/api-create-a-merchant-account) ## Shops - [Update shop details](https://help.ecomcharge.com/en/knowledge-base/api-update-shop-details) - [Get shop details](https://help.ecomcharge.com/en/knowledge-base/api-get-shop-details) - [Get the list of all the merchant's shops](https://help.ecomcharge.com/en/knowledge-base/api-get-the-list-of-all-the-merchants-shops) - [Create a merchant shop](https://help.ecomcharge.com/en/knowledge-base/api-create-a-merchant-shop) ## Transactions (DWH v.2) - [Get the list of processed transactions](https://help.ecomcharge.com/en/knowledge-base/api-get-the-list-of-processed-transactions-v2) - [Count the number of processed transactions](https://help.ecomcharge.com/en/knowledge-base/api-count-the-number-of-processed-transactions-v2) - [Export transactions by uid](https://help.ecomcharge.com/en/knowledge-base/api-export-transactions-by-uid) - [Export the list of processed transactions](https://help.ecomcharge.com/en/knowledge-base/api-export-the-list-of-processed-transactions) ## Transactions (DWH v.1) - [Get the list of processed transactions](https://help.ecomcharge.com/en/knowledge-base/api-get-the-list-of-processed-transactions) - [Count the number of processed transactions](https://help.ecomcharge.com/en/knowledge-base/api-count-the-number-of-processed-transactions) ## Reference - [PSP API Changelog](https://help.ecomcharge.com/en/knowledge-base/api-psp-api-changelog) - [Processing error codes](https://help.ecomcharge.com/en/knowledge-base/api-processing-error-codes) ## Reports (DWH v.2) - [Request a report file](https://help.ecomcharge.com/en/knowledge-base/api-get-request-a-report-file) - [Get a report file by ID](https://help.ecomcharge.com/en/knowledge-base/api-get-a-report-file-by-id) - [Get an aggregated report for processed transactions](https://help.ecomcharge.com/en/knowledge-base/pspbackoffice-get-an-aggregated-report-for-processed-transactions) - [Admin Panel User Guide](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#main-content) - [Introduction](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#introduction) - [Before you start](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#before-you-start) - [Users](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#users) - [System administration](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#system-administration) - [Merchant account management](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#merchant-account-management) - [Configuration of payment gateways](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#configuration-of-payment-gateways) - [Merchant shop management](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#merchant-shop-management) - [Dashboard](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#dashboard) - [Configuration of fraud protection services](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#configuration-of-fraud-protection-services) - [Transaction management](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#transaction-management) - [Subscription management](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#subscription-management) - [Transaction reports](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#transaction-reports) - [Accounting and financial reports](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#accounting-and-financial-reports) - [Finances](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#finances) - [Merchant's balance](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#merchants-balance) - [Mass payouts to customers](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#mass-payouts-to-customers) - [Additional services](https://help.ecomcharge.com/en/knowledge-base/admin-panel-user-guide#additional-services) - [Smart Risk and Routing Engine](https://help.ecomcharge.com/en/knowledge-base/smart-risk-and-routing-engine#main-content) - [Introduction](https://help.ecomcharge.com/en/knowledge-base/smart-risk-and-routing-engine#introduction) - [Overall service description](https://help.ecomcharge.com/en/knowledge-base/smart-risk-and-routing-engine#overall-service-description) - [Getting started](https://help.ecomcharge.com/en/knowledge-base/smart-risk-and-routing-engine#getting-started) - [Smart routing management](https://help.ecomcharge.com/en/knowledge-base/smart-risk-and-routing-engine#smart-routing-management) - [Settings management](https://help.ecomcharge.com/en/knowledge-base/smart-risk-and-routing-engine#settings-management) - [Appendix 1: Logical operators](https://help.ecomcharge.com/en/knowledge-base/smart-risk-and-routing-engine#appendix-1-logical-operators) - [Appendix 2: List of system fields](https://help.ecomcharge.com/en/knowledge-base/smart-risk-and-routing-engine#appendix-2-list-of-system-fields) - [PSP API documentation](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#main-content) - [Introduction](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#introduction) - [Request requirements](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#request-requirements) - [HTTP response codes](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#http-response-codes) - [PSP ID and Secret Key](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#psp-id-and-secret-key) - [Merchants](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#merchants) - [Shops](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#shops) - [Transactions (DWH v.2)](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#transactions-dwh-v-2) - [Transactions (DWH v.1)](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#transactions-dwh-v-1) - [Reference](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#reference) - [Reports (DWH v.2)](https://help.ecomcharge.com/en/knowledge-base/psp-api-documentation#reports-dwh-v-2) - [Video guides](https://help.ecomcharge.com/en/knowledge-base/video-guides#main-content) - [Creating rules in Smart Routing](https://help.ecomcharge.com/en/knowledge-base/video-guides#creating-rules-in-smart-routing) - [Payment Widget customization](https://help.ecomcharge.com/en/knowledge-base/video-guides#payment-widget-customization) - [Integrations](https://help.ecomcharge.com/en/knowledge-base/integrations#main-content) - [Active Connectors with PSPs, banks, APM solution providers](https://help.ecomcharge.com/en/knowledge-base/integrations#active-connectors-with-psps-banks-apm-solution-providers) - [Release Notes](https://help.ecomcharge.com/en/knowledge-base/release-notes#main-content) - [2025](https://help.ecomcharge.com/en/knowledge-base/release-notes#2025) - [Support and Requests](https://help.ecomcharge.com/en/knowledge-base/support-and-requests) [![eComCharge\_main logo uncut@3x 1-2](https://help.ecomcharge.com/hs-fs/hubfs/eComCharge_main%20logo%20uncut@3x%201-2.png?width=150&height=77&name=eComCharge_main%20logo%20uncut@3x%201-2.png "eComCharge_main logo uncut@3x 1-2")](https://help.ecomcharge.com/) [mailto:sales@ecomcharge.com](mailto:sales@ecomcharge.com) © 2026 eComCharge UAB