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Sap Service Layer Login

ByRaquel Giugliano @raquelgiugliano on n8n.io

This minimal utility workflow connects to the SAP Business One Service Layer API to verify login credentials and return the session ID. It's ideal for testing access or using as a sub-workflow to retrieve the B1SESSION token for other operations.

Event trigger★★☆☆☆ complexity5 nodesHTTP Request
Web Scraping Trigger: Event Nodes: 5 Complexity: ★★☆☆☆ Added:

This workflow corresponds to n8n.io template #4932 — we link there as the canonical source.

The workflow JSON

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{
  "id": "veR3QmgYzOAMgekz",
  "name": "Conexion SAP",
  "tags": [],
  "nodes": [
    {
      "id": "34406311-d715-481c-a61c-b8c382536ddb",
      "name": "When clicking \u2018Execute workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        0,
        0
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "72224168-7e1c-437f-816f-9181405d28bb",
      "name": "Set Login Data",
      "type": "n8n-nodes-base.set",
      "position": [
        220,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "0d7bca14-f15c-4722-b10a-5c10fb763247",
              "name": "sap_url",
              "type": "string",
              "value": ""
            },
            {
              "id": "8edfe1d1-bbbe-487b-bc5d-591ed9faa97d",
              "name": "sap_username",
              "type": "string",
              "value": ""
            },
            {
              "id": "6ff2fb60-0c71-4fab-ae31-26bfcba03058",
              "name": "sap_password",
              "type": "string",
              "value": ""
            },
            {
              "id": "838523c8-1ebb-4bd1-a13b-3f0921f97576",
              "name": "sap_companydb",
              "type": "string",
              "value": ""
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "ef7da537-aaa8-4589-bcc9-80672d0b4096",
      "name": "SAP Connection",
      "type": "n8n-nodes-base.httpRequest",
      "onError": "continueErrorOutput",
      "position": [
        440,
        0
      ],
      "parameters": {
        "url": "={{ $json.sap_url }}Login",
        "method": "POST",
        "options": {
          "allowUnauthorizedCerts": true
        },
        "jsonBody": "={\n       \"UserName\": \"{{ $json.sap_username }}\",\n       \"Password\": \"{{ $json.sap_password }}\",\n       \"CompanyDB\": \"{{ $json.sap_companydb }}\"\n}",
        "sendBody": true,
        "specifyBody": "json"
      },
      "typeVersion": 4.2
    },
    {
      "id": "960fff2d-1135-4cac-a94a-e174af7b8c3b",
      "name": "Failed",
      "type": "n8n-nodes-base.set",
      "position": [
        660,
        100
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "7ed3ddd5-5334-4a53-8f2d-1c883129b6c3",
              "name": "statusCode",
              "type": "string",
              "value": "={{ $json.error.status }}"
            },
            {
              "id": "b5600ed6-ef4b-4b4a-9829-2afc290bd0b3",
              "name": "errorMessage",
              "type": "string",
              "value": "={{ $json.error.message }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "4744fa72-6249-4565-ba17-c225d303c4eb",
      "name": "Success",
      "type": "n8n-nodes-base.set",
      "position": [
        660,
        -100
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "a0be1383-9c5e-4246-b506-7a453c1859f6",
              "name": "sessionID",
              "type": "string",
              "value": "={{ $json.SessionId }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "99dc9b88-369d-4ad1-b42b-f0a7317424ab",
  "connections": {
    "SAP Connection": {
      "main": [
        [
          {
            "node": "Success",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Failed",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Login Data": {
      "main": [
        [
          {
            "node": "SAP Connection",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking \u2018Execute workflow\u2019": {
      "main": [
        [
          {
            "node": "Set Login Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
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About this workflow

This minimal utility workflow connects to the SAP Business One Service Layer API to verify login credentials and return the session ID. It's ideal for testing access or using as a sub-workflow to retrieve the B1SESSION token for other operations.

Source: https://n8n.io/workflows/4932/ — original creator credit. Request a take-down →

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