{ "info": { "_postman_id": "ae119b21-0069-46c6-88e2-a02b346b0b59", "name": "Wompi Merchants Transactions API", "description": "Wompi is the payment gateway of Grupo Bancolombia, serving Colombia (COP). The REST API creates and tracks transactions across local payment methods - CARD, NEQUI (mobile wallet), PSE (Pagos Seguros en Linea / online bank debit), BANCOLOMBIA_TRANSFER (Boton Bancolombia), and BANCOLOMBIA_COLLECT - plus card and Nequi tokenization, reusable payment sources, and hosted payment links. Public-key endpoints are safe for the browser; private-key endpoints are server-side only.\n\nContact Support:\n Name: Wompi Soporte\n Email: soporte@wompi.co", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-07-28T03:31:37.000Z", "updatedAt": "2026-07-28T03:31:37.000Z", "lastUpdatedBy": "35240", "uid": "35240-ae119b21-0069-46c6-88e2-a02b346b0b59" }, "item": [ { "name": "transactions", "item": [ { "name": "{id}", "item": [ { "name": "void", "item": [ { "name": "Void a card transaction", "id": "808f1564-7b61-41be-aae9-be149169158c", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{bearerToken}}", "type": "string" } ] }, "method": "POST", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/transactions/:id/void", "host": [ "{{baseUrl}}" ], "path": [ "transactions", ":id", "void" ], "variable": [ { "id": "2c81653a-498c-4fb4-9fc4-3c47292dc675", "key": "id", "value": "", "description": "(Required) " } ] }, "description": "Voids/annuls an approved card transaction. Requires the PRIVATE key." }, "response": [ { "id": "632477e7-d862-49cb-a0f0-3bc2d4a01156", "name": "Void request accepted.", "originalRequest": { "method": "POST", "header": [ { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "url": { "raw": "{{baseUrl}}/transactions/:id/void", "host": [ "{{baseUrl}}" ], "path": [ "transactions", ":id", "void" ], "variable": [ { "key": "id" } ] } }, "status": "Created", "code": 201, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"data\": {\n \"id\": \"\",\n \"status\": \"VOIDED\",\n \"amount_in_cents\": \"\",\n \"currency\": \"\",\n \"reference\": \"\",\n \"payment_method_type\": \"\",\n \"status_message\": \"\",\n \"created_at\": \"\"\n }\n}", "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-632477e7-d862-49cb-a0f0-3bc2d4a01156" } ], "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-808f1564-7b61-41be-aae9-be149169158c" } ], "id": "98383963-0705-4db5-9d93-b9db21b2e1a6", "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-98383963-0705-4db5-9d93-b9db21b2e1a6" }, { "name": "Get a transaction", "id": "48b1f1f9-5990-41f2-a09c-7a908bcfdb7b", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{bearerToken}}", "type": "string" } ] }, "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/transactions/:id", "host": [ "{{baseUrl}}" ], "path": [ "transactions", ":id" ], "variable": [ { "id": "fbd0be6c-4f27-4a91-a12d-39f89b08221a", "key": "id", "value": "", "description": "(Required) " } ] }, "description": "Retrieves the current status of a transaction. Final status is one of APPROVED, DECLINED, VOIDED (card only), or ERROR." }, "response": [ { "id": "65264e25-cc57-47e6-8838-76b383c497a5", "name": "Transaction data.", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "url": { "raw": "{{baseUrl}}/transactions/:id", "host": [ "{{baseUrl}}" ], "path": [ "transactions", ":id" ], "variable": [ { "key": "id" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"data\": {\n \"id\": \"\",\n \"status\": \"VOIDED\",\n \"amount_in_cents\": \"\",\n \"currency\": \"\",\n \"reference\": \"\",\n \"payment_method_type\": \"\",\n \"status_message\": \"\",\n \"created_at\": \"\"\n }\n}", "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-65264e25-cc57-47e6-8838-76b383c497a5" }, { "id": "f40b90b7-8822-4f03-a779-3f7a494e2705", "name": "Transaction not found.", "originalRequest": { "method": "GET", "header": [ { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "url": { "raw": "{{baseUrl}}/transactions/:id", "host": [ "{{baseUrl}}" ], "path": [ "transactions", ":id" ], "variable": [ { "key": "id" } ] } }, "status": "Not Found", "code": 404, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-f40b90b7-8822-4f03-a779-3f7a494e2705" } ], "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-48b1f1f9-5990-41f2-a09c-7a908bcfdb7b" } ], "id": "0eb8458e-4c81-45c7-a603-09db0dbec6e6", "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-0eb8458e-4c81-45c7-a603-09db0dbec6e6" }, { "name": "Create a transaction", "id": "5d8466f5-9ca5-4d41-8784-d6d93713f7d5", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{bearerToken}}", "type": "string" } ] }, "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" } ], "body": { "mode": "raw", "raw": "{\n \"amount_in_cents\": \"\",\n \"currency\": \"\",\n \"customer_email\": \"\",\n \"acceptance_token\": \"\",\n \"reference\": \"\",\n \"payment_method\": {\n \"type\": \"\",\n \"token\": \"\",\n \"installments\": \"\"\n },\n \"signature\": \"\",\n \"payment_source_id\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/transactions", "host": [ "{{baseUrl}}" ], "path": [ "transactions" ] }, "description": "Creates a payment transaction for a given amount_in_cents and currency (COP). The payment_method object varies by type - CARD, NEQUI, PSE, BANCOLOMBIA_TRANSFER, or BANCOLOMBIA_COLLECT. Requires an acceptance token and a signature (firma de integridad) computed from the integrity secret. New transactions start in PENDING." }, "response": [ { "id": "abe6a868-7afd-4755-934c-6dc9b85a9bf1", "name": "Transaction created (status PENDING).", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "raw", "raw": "{\n \"amount_in_cents\": \"\",\n \"currency\": \"\",\n \"customer_email\": \"\",\n \"acceptance_token\": \"\",\n \"reference\": \"\",\n \"payment_method\": {\n \"type\": \"\",\n \"token\": \"\",\n \"installments\": \"\"\n },\n \"signature\": \"\",\n \"payment_source_id\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/transactions", "host": [ "{{baseUrl}}" ], "path": [ "transactions" ] } }, "status": "Created", "code": 201, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"data\": {\n \"id\": \"\",\n \"status\": \"VOIDED\",\n \"amount_in_cents\": \"\",\n \"currency\": \"\",\n \"reference\": \"\",\n \"payment_method_type\": \"\",\n \"status_message\": \"\",\n \"created_at\": \"\"\n }\n}", "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-abe6a868-7afd-4755-934c-6dc9b85a9bf1" }, { "id": "5924cb43-ce10-4748-9b7c-ee5c2935ba24", "name": "Validation error.", "originalRequest": { "method": "POST", "header": [ { "key": "Content-Type", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "body": { "mode": "raw", "raw": "{\n \"amount_in_cents\": \"\",\n \"currency\": \"\",\n \"customer_email\": \"\",\n \"acceptance_token\": \"\",\n \"reference\": \"\",\n \"payment_method\": {\n \"type\": \"\",\n \"token\": \"\",\n \"installments\": \"\"\n },\n \"signature\": \"\",\n \"payment_source_id\": \"\"\n}", "options": { "raw": { "headerFamily": "json", "language": "json" } } }, "url": { "raw": "{{baseUrl}}/transactions", "host": [ "{{baseUrl}}" ], "path": [ "transactions" ] } }, "status": "Unprocessable Entity (WebDAV) (RFC 4918)", "code": 422, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-5924cb43-ce10-4748-9b7c-ee5c2935ba24" } ], "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-5d8466f5-9ca5-4d41-8784-d6d93713f7d5" } ], "id": "90a16549-186a-4c6f-a4a3-a83b1e615c85", "createdAt": "2026-07-28T03:31:38.000Z", "updatedAt": "2026-07-28T03:31:38.000Z", "uid": "35240-90a16549-186a-4c6f-a4a3-a83b1e615c85" } ], "variable": [ { "key": "baseUrl", "value": "https://production.wompi.co/v1" } ] }