{"id":412,"date":"2026-05-22T06:14:59","date_gmt":"2026-05-22T06:14:59","guid":{"rendered":"https:\/\/developers.10npay.com\/docs\/check-internal-customer-account\/"},"modified":"2026-05-22T06:15:18","modified_gmt":"2026-05-22T06:15:18","password":"","slug":"check-internal-customer-account","status":"publish","type":"docs","link":"https:\/\/developers.10npay.com\/bg\/docs\/check-internal-customer-account\/","title":{"rendered":"Check Internal Customer Account"},"content":{"rendered":"

Check Internal Customer Account<\/h1>\n

Determines whether a given IBAN belongs to another 10nPay customer. Use this before initiating a transfer to decide between P2P or external (third-party) flows.<\/p>\n

Endpoint<\/h2>\n
GET https:\/\/api-test.10npay.com\/api\/v1\/IndividualPayment\/{iban}\/is-internal-customer-account\n<\/code><\/pre>\n
Path Parameter<\/h2>\n\n\n\n\n\n
Name<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
iban<\/code><\/td>\nFull IBAN to check (e.g., BG36TEPJ40131000500002<\/code>).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
Headers<\/h2>\n
    \n
  • Authorization: Bearer <access_token><\/code><\/li>\n
  • Accept: text\/plain<\/code><\/li>\n<\/ul>\n
    Success Response<\/h2>\n
    true\n<\/code><\/pre>\n
    true<\/code> means the IBAN belongs to an internal user (use P2P flow); false<\/code> means treat it as an external IBAN.<\/p>\n
    Error Responses<\/h2>\n
      \n
    • 400 Bad Request<\/strong> \u2013 invalid IBAN format.<\/li>\n
    • 404 Not Found<\/strong> \u2013 IBAN not recognized.<\/li>\n
    • 500 Internal Server Error<\/strong> \u2013 retry later.<\/li>\n<\/ul>\n
      Integration tip<\/h2>\n
      Call this endpoint immediately after the user enters an IBAN:<\/p>\n
        \n
      • true<\/strong> \u2192 call POST \/app\/{beneficiaryId}\/p2p-money-transfer<\/code>.<\/li>\n
      • false<\/strong> \u2192 call POST \/app\/withdrawal-to-3rd-party-iban<\/code>.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"
        Check Internal Customer Account Determines whether a given IBAN belongs to another 10nPay customer. Use this before initiating a transfer to decide between P2P or external (third-party) flows. Endpoint GET https:\/\/api-test.10npay.com\/api\/v1\/IndividualPayment\/{iban}\/is-internal-customer-account Path Parameter Name Description iban Full IBAN to check (e.g., BG36TEPJ40131000500002). Headers Authorization: Bearer <access_token> Accept: text\/plain Success Response true true means the IBAN […]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[50],"doc_tag":[],"knowledge_base":[33],"class_list":["post-412","docs","type-docs","status-publish","hentry","doc_category-create-account-iban","knowledge_base-10npay"],"year_month":"2026-06","word_count":129,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":[],"doc_category_info":[{"term_name":"Create - Account\/IBAN","term_url":"https:\/\/developers.10npay.com\/bg\/docs\/10npay\/create-account-iban\/"}],"doc_tag_info":[],"knowledge_base_info":[{"term_name":"10npay","term_url":"https:\/\/developers.10npay.com\/bg\/docs\/10npay\/","term_slug":"10npay"}],"knowledge_base_slug":["10npay"],"_links":{"self":[{"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/docs\/412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/types\/docs"}],"replies":[{"embeddable":true,"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/comments?post=412"}],"version-history":[{"count":1,"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/docs\/412\/revisions"}],"predecessor-version":[{"id":413,"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/docs\/412\/revisions\/413"}],"wp:attachment":[{"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/media?parent=412"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/doc_category?post=412"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/doc_tag?post=412"},{"taxonomy":"knowledge_base","embeddable":true,"href":"https:\/\/developers.10npay.com\/bg\/wp-json\/wp\/v2\/knowledge_base?post=412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}