The workflow JSON
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{
"id": "KKQJKkfiLQQ48JSW",
"name": "Send Postcards to Contacts Automatically using CentralStationCRM and EchtPost",
"tags": [],
"nodes": [
{
"id": "f22c8bec-268f-46d5-844d-61870dfcf208",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
320,
-140
],
"parameters": {
"width": 400,
"height": 920,
"content": "\n\n# Send Postcards to Contacts Automatically using CentralStationCRM and EchtPost\n\nIn this workflow, you send a **postcard** to a person newly created in CentralStationCRM.\n\n* the workflow is triggered when a person is updated in the CRM\n* the blue set node filters the data required for EchtPost\n* the green if node checks whether the word \u201cEchtPost\u201d appears in the tags\n* if yes, a card is sent via the EchtPost API\n\n\n\n\n\n\n*To edit the nodes in steps 2 and 5: Simply double-click!*\n\n*At the very end: Set the workflow switch to Active!*\n\n*Don't forget to save your work!*"
},
"typeVersion": 1
},
{
"id": "b59e4c49-c129-42bb-a64c-7a282d8e69d6",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1600,
-140
],
"parameters": {
"color": 7,
"width": 440,
"height": 680,
"content": "## 3. get EchtPost API key\n* Log in to EchtPost\n* Click on the cogwheel at the top right\n\n* Click on \"Create API key\n* Enter description (e.g. \"n8n\")\n* Copy API key\n\n## 4. get EchtPost template ID\n\n* Click on the desired template\n* Copy the number after ?template_id= in the URL"
},
"typeVersion": 1
},
{
"id": "06574510-ef2e-4b29-9bce-33cca25c6f5c",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
2080,
-140
],
"parameters": {
"color": 7,
"width": 500,
"height": 840,
"content": "## 5. Configure EchtPost API Node\n* Double-click node\n* METHOD: POST\n* https://api.echtpost.de/v1/cards\n* Authentication: none\n* SEND BODY: True\n* Body Content Type: JSON\n* Specify Body: Using JSON\n\nJSON Code (Important: Switch to \"Expression\"!)\n* Replace key, template ID and mail with your own values\n\n\n{\n \"apikey\": \"ENTER HERE-API-KEY\",\n \"card\": {\n \"template_id\": \"HERE-TEMPLATE-ID\",\n \"deliver_at\": \"3-days-from-now\", \"\n \" \"notification_type\": \"before_send\",\n \"notification_email\": \"YOUR EMAIL\",\n \"contacts_attributes\": [\n {\n \"company_name\": \"{{ $json.body.record.companies[0].name }}\",\n \"street\": \"{{ $json.body.record.addrs[0].street }}\",\n \"zip\": \"{{ $json.body.record.addrs[0].zip }}\", \"\n city\": \"{{ $json.body.record.addrs[0].city }}\", \"\n country_code\": \"{{ $json.body.record.addrs[0].country_code }}\"\n }\n ]\n }\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
},
"typeVersion": 1
},
{
"id": "d97824f2-b8fa-4097-8a68-1d116fbd76b1",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
760,
-20
],
"parameters": {
"color": 7,
"width": 420,
"height": 960,
"content": "## 2. set up CentralStationCRM Webhook\n* log in to CentralStationCRM\n* click on the gear wheel at the top right\n\n\n\n* click \"Create webhook\"\n* enter password\n* \"Monitored object type\": Person\n* \"Monitored event\": Update\n* for \"Endpoint URL\" enter webhook URL\n* enter the following for \"Nested objects\":\ntags, addrs, companies\n* enter name and description (e.g. n8n Test)\n* set status to active and save"
},
"typeVersion": 1
},
{
"id": "5ad18049-d75e-4f30-a4bb-0767c0f24c8a",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1220,
-140
],
"parameters": {
"color": 7,
"width": 340,
"height": 1080,
"content": "## 2. Set up n8n webhook trigger\n* double-click node\n* HTTP Method: POST\n* Authentication: none\n\n### For testing: \nTag a person in CentralStationCRM with \"EchtPost\" and click on \"Listen for Test Event\" on the node shortly beforehand. The webhook should be triggered and the data transferred to the node.\n\n### For operation:\n* Switch from \"Test URL\" to \"Production URL\"\n* Copy new webhook URL (click on it)\n* Enter new URL under \"Endpoint URL\" in the CentralStationCRM webhook created in step 2"
},
"typeVersion": 1
},
{
"id": "d62b9617-88a2-4512-bfca-47fe2e924be3",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
320,
820
],
"parameters": {
"width": 400,
"height": 120,
"content": "### Tools in this workflow\n* [CentralStationCRM](https://centralstationcrm.de) - the simple and intuitive CRM for small teams.\n* [EchtPost](https://echtpost.de) - send postcards online"
},
"typeVersion": 1
},
{
"id": "34c8516a-1201-4e95-9789-8ff2e33b56b6",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
760,
-140
],
"parameters": {
"color": 7,
"width": 420,
"height": 100,
"content": "## 1. get webhook URL from n8n\n* Double-click the first node in the workflow\n* Click once on the url next to POST"
},
"typeVersion": 1
},
{
"id": "c76bf839-75d8-4224-9ed6-f5c21d33ba2d",
"name": "Person is updated in CentralStationCRM",
"type": "n8n-nodes-base.webhook",
"position": [
1320,
640
],
"parameters": {
"path": "aa45aef4-1eff-46b8-9b72-4240a40b2f6c",
"options": {},
"httpMethod": "POST"
},
"typeVersion": 2
},
{
"id": "41c8b450-e3db-481d-ba09-2dc266e4afdb",
"name": "Set fields needed for EchtPost",
"type": "n8n-nodes-base.set",
"position": [
1640,
640
],
"parameters": {
"include": "selected",
"options": {},
"includeFields": "body.record.companies[0].name, body.record.addrs[0].street, body.record.addrs[0].zip, body.record.addrs[0].city, body.record.addrs[0].country_code, body.record.taggings",
"includeOtherFields": true
},
"typeVersion": 3.4
},
{
"id": "f7516740-bad6-4070-be78-d354a7d92581",
"name": "Is \"EchtPost\" included in \"taggings\"?",
"type": "n8n-nodes-base.if",
"position": [
1860,
640
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "877d4a0a-805a-4884-ae82-cc63978b02ba",
"operator": {
"type": "string",
"operation": "contains"
},
"leftValue": "={{ $json.taggings }}",
"rightValue": "\"EchtPost\""
}
]
},
"looseTypeValidation": true
},
"typeVersion": 2.2
},
{
"id": "7f7d46d7-3d20-4f1b-8f3f-cdc5dd072dc5",
"name": "Do nothing",
"type": "n8n-nodes-base.noOp",
"position": [
2260,
780
],
"parameters": {},
"typeVersion": 1
},
{
"id": "e6f0d1ca-c04b-4e07-bea5-046ac92d1010",
"name": "Send postcard with EchtPost",
"type": "n8n-nodes-base.httpRequest",
"position": [
2260,
520
],
"parameters": {
"url": "https://api.echtpost.de/v1/cards",
"method": "POST",
"options": {},
"jsonBody": "={\n \"apikey\": \"HIER-API-KEY-EINTRAGEN\",\n \"card\": {\n \"template_id\": \"HIER-TEMPLATE-ID\",\n \"deliver_at\": \"3-days-from-now\",\n \"notification_type\": \"before_send\",\n \"notification_email\": \"EMAIL EINTRAGEN\",\n \"contacts_attributes\": [\n {\n \"company_name\": \"{{ $json.name }}\",\n \"street\": \"{{ $json.street }}\",\n \"zip\": \"{{ $json.zip }}\",\n \"city\": \"{{ $json.city }}\",\n \"country_code\": \"{{ $json.country_code }}\"\n }\n ]\n }\n}",
"sendBody": true,
"specifyBody": "json"
},
"typeVersion": 4.2
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "152242be-1fe6-4528-999d-993fb0593528",
"connections": {
"Set fields needed for EchtPost": {
"main": [
[
{
"node": "Is \"EchtPost\" included in \"taggings\"?",
"type": "main",
"index": 0
}
]
]
},
"Is \"EchtPost\" included in \"taggings\"?": {
"main": [
[
{
"node": "Send postcard with EchtPost",
"type": "main",
"index": 0
}
],
[
{
"node": "Do nothing",
"type": "main",
"index": 0
}
]
]
},
"Person is updated in CentralStationCRM": {
"main": [
[
{
"node": "Set fields needed for EchtPost",
"type": "main",
"index": 0
}
]
]
}
},
"_metadata": {
"name": "Send Postcards to Contacts Automatically using CentralStationCRM and EchtPost",
"used_count": 0,
"popularity_score": 25,
"source_url": "https://n8n.io/workflows/6124",
"scraped_at": "2025-08-21 05:33:23",
"workflow_id": "5b1a0c2b-bfe6-51f9-afb5-57dd93a21aaa"
},
"_filename": "Send_Postcards_to_Contacts_Automatically_using_CentralStationCRM_and_EchtPost.json"
}
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About this workflow
Send Postcards to Contacts Automatically using CentralStationCRM and EchtPost. Uses httpRequest. Webhook trigger; 12 nodes.
Source: https://github.com/japer-technology/github-n8n-intelligence/blob/8da72f77bd009caa7f08cce26b0a8b5b05ff3c5e/workflows/templates/6124_Send_Postcards_to_Contacts_Automatically_using_CentralStationCRM_and_EchtPost.json — original creator credit. Request a take-down →
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