The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"updatedAt": "2026-05-27T15:40:36.278Z",
"createdAt": "2026-05-27T15:03:59.698Z",
"id": "QLLz8mSf120TQqW9",
"name": "ST-08 Ship Buyer",
"description": null,
"active": true,
"isArchived": false,
"nodes": [
{
"id": "7c7e14d6-51fc-40dc-bced-a66dc2edb3e5",
"name": "Every 10 min",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
0,
0
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 10
}
]
}
}
},
{
"id": "63a26337-ea09-456a-990a-b85071320abb",
"name": "Get Agent",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
220,
0
],
"parameters": {
"method": "GET",
"url": "https://api.spacetraders.io/v2/my/agent",
"authentication": "predefinedCredentialType",
"options": {},
"nodeCredentialType": "httpHeaderAuth",
"alwaysOutputData": true
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"id": "af0a18d4-1882-4e0e-9bc8-a4ef4f5763a1",
"name": "Get Ships",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
440,
0
],
"parameters": {
"method": "GET",
"url": "https://api.spacetraders.io/v2/my/ships",
"authentication": "predefinedCredentialType",
"options": {},
"nodeCredentialType": "httpHeaderAuth",
"alwaysOutputData": true
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"id": "eecdc9fb-472c-4200-80e0-2acf2362389f",
"name": "Check Fleet",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
660,
0
],
"parameters": {
"jsCode": "const agentData = $('Get Agent').first().json.data;\nconst shipsData = $('Get Ships').first().json.data || [];\n\nconst credits = agentData.credits;\nconst SAFETY_BUFFER = 75000;\nconst MAX_ACTIVE_SHIPS = 5;\n\n// Count ships that do real work (exclude probes/satellites)\nconst activeShips = shipsData.filter(s => {\n const frame = s.frame?.symbol || '';\n return !frame.includes('PROBE') && !frame.includes('SATELLITE');\n});\n\nif (activeShips.length >= MAX_ACTIVE_SHIPS) return [];\nif (credits < SAFETY_BUFFER * 2) return [];\n\nconst budget = credits - SAFETY_BUFFER;\nreturn [{json: {credits, budget, activeShipCount: activeShips.length}}];\n"
}
},
{
"id": "527f68ea-e8a9-418f-ba4d-d853f99aa51f",
"name": "Get Shipyard",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
880,
0
],
"parameters": {
"method": "GET",
"url": "https://api.spacetraders.io/v2/systems/X1-UX96/waypoints/X1-UX96-H53/shipyard",
"authentication": "predefinedCredentialType",
"options": {},
"nodeCredentialType": "httpHeaderAuth",
"alwaysOutputData": true
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"id": "b3de9e2e-15a8-4d3a-bf1e-09d862ed663b",
"name": "Select Ship",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1100,
0
],
"parameters": {
"jsCode": "\nconst {budget} = $('Check Fleet').first().json;\nconst shipyard = $input.first().json.data || {};\nconst ships = shipyard.ships || [];\n\nconst SHIPYARD_WP = 'X1-UX96-H53';\n\nconst miningShips = ships.filter(s => {\n const hasMiningMount = (s.mounts || []).some(m => m.symbol?.includes('MINING_LASER'));\n const isMiningType = (s.type || '').includes('MINING');\n return hasMiningMount || isMiningType;\n});\n\nif (miningShips.length === 0) return [];\n\nminingShips.sort((a, b) => (a.purchasePrice || 0) - (b.purchasePrice || 0));\n\nconst best = miningShips.find(s => (s.purchasePrice || 0) <= budget);\nif (!best) return [];\n\nreturn [{json: {\n shipType: best.type,\n waypointSymbol: SHIPYARD_WP,\n price: best.purchasePrice,\n budget,\n}}];\n"
}
},
{
"id": "44432d5a-a07f-4e24-bb79-4e367962898c",
"name": "Buy Ship",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1320,
0
],
"parameters": {
"method": "POST",
"url": "https://api.spacetraders.io/v2/my/ships",
"authentication": "predefinedCredentialType",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\"shipType\":\"{{ $json.shipType }}\",\"waypointSymbol\":\"{{ $json.waypointSymbol }}\"}",
"options": {},
"nodeCredentialType": "httpHeaderAuth",
"alwaysOutputData": true
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"id": "bbb42e7c-df0f-46a1-885b-1a5b2b392047",
"name": "Notify Purchase",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1540,
0
],
"parameters": {
"method": "POST",
"url": "http://localhost:5678/webhook/spaceship-notify",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\"title\":\"New ship purchased!\",\"message\":\"{{ $json.data.ship.symbol }} ({{ $json.data.ship.frame.symbol }}) bought for {{ $('Select Ship').first().json.price }} cr. Credits remaining: {{ $json.data.agent.credits }}\",\"severity\":\"info\"}",
"options": {}
}
}
],
"connections": {
"Every 10 min": {
"main": [
[
{
"node": "Get Agent",
"type": "main",
"index": 0
}
]
]
},
"Get Agent": {
"main": [
[
{
"node": "Get Ships",
"type": "main",
"index": 0
}
]
]
},
"Get Ships": {
"main": [
[
{
"node": "Check Fleet",
"type": "main",
"index": 0
}
]
]
},
"Check Fleet": {
"main": [
[
{
"node": "Get Shipyard",
"type": "main",
"index": 0
}
]
]
},
"Get Shipyard": {
"main": [
[
{
"node": "Select Ship",
"type": "main",
"index": 0
}
]
]
},
"Select Ship": {
"main": [
[
{
"node": "Buy Ship",
"type": "main",
"index": 0
}
]
]
},
"Buy Ship": {
"main": [
[
{
"node": "Notify Purchase",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"errorWorkflow": "UBBtoeMsOM2deZTM"
},
"staticData": {
"node:Every 10 min": {
"recurrenceRules": []
}
},
"meta": null,
"versionId": "4210079e-1165-4148-ad1c-713062664f8b",
"activeVersionId": "4210079e-1165-4148-ad1c-713062664f8b",
"versionCounter": 19,
"triggerCount": 1,
"shared": [
{
"updatedAt": "2026-05-27T15:03:59.707Z",
"createdAt": "2026-05-27T15:03:59.707Z",
"role": "workflow:owner",
"workflowId": "QLLz8mSf120TQqW9",
"projectId": "pQ9yqqsBtuSGk44p",
"project": {
"updatedAt": "2026-01-15T01:26:38.562Z",
"createdAt": "2026-01-15T01:25:22.740Z",
"id": "pQ9yqqsBtuSGk44p",
"name": "Martin Castaneda <martinjosecastaneda1@gmail.com>",
"type": "personal",
"icon": null,
"description": null,
"creatorId": "57a0ed57-85ea-48e0-a5d9-21b1a9cc107c"
}
}
],
"tags": [],
"activeVersion": {
"updatedAt": "2026-05-27T15:40:36.281Z",
"createdAt": "2026-05-27T15:40:36.281Z",
"versionId": "4210079e-1165-4148-ad1c-713062664f8b",
"workflowId": "QLLz8mSf120TQqW9",
"nodes": [
{
"id": "7c7e14d6-51fc-40dc-bced-a66dc2edb3e5",
"name": "Every 10 min",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
0,
0
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 10
}
]
}
}
},
{
"id": "63a26337-ea09-456a-990a-b85071320abb",
"name": "Get Agent",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
220,
0
],
"parameters": {
"method": "GET",
"url": "https://api.spacetraders.io/v2/my/agent",
"authentication": "predefinedCredentialType",
"options": {},
"nodeCredentialType": "httpHeaderAuth",
"alwaysOutputData": true
},
"credentials": {
"httpHeaderAuth": {
"id": "56bs6PUHWdbliMlu",
"name": "SpaceTraders Auth"
}
}
},
{
"id": "af0a18d4-1882-4e0e-9bc8-a4ef4f5763a1",
"name": "Get Ships",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
440,
0
],
"parameters": {
"method": "GET",
"url": "https://api.spacetraders.io/v2/my/ships",
"authentication": "predefinedCredentialType",
"options": {},
"nodeCredentialType": "httpHeaderAuth",
"alwaysOutputData": true
},
"credentials": {
"httpHeaderAuth": {
"id": "56bs6PUHWdbliMlu",
"name": "SpaceTraders Auth"
}
}
},
{
"id": "eecdc9fb-472c-4200-80e0-2acf2362389f",
"name": "Check Fleet",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
660,
0
],
"parameters": {
"jsCode": "const agentData = $('Get Agent').first().json.data;\nconst shipsData = $('Get Ships').first().json.data || [];\n\nconst credits = agentData.credits;\nconst SAFETY_BUFFER = 75000;\nconst MAX_ACTIVE_SHIPS = 5;\n\n// Count ships that do real work (exclude probes/satellites)\nconst activeShips = shipsData.filter(s => {\n const frame = s.frame?.symbol || '';\n return !frame.includes('PROBE') && !frame.includes('SATELLITE');\n});\n\nif (activeShips.length >= MAX_ACTIVE_SHIPS) return [];\nif (credits < SAFETY_BUFFER * 2) return [];\n\nconst budget = credits - SAFETY_BUFFER;\nreturn [{json: {credits, budget, activeShipCount: activeShips.length}}];\n"
}
},
{
"id": "527f68ea-e8a9-418f-ba4d-d853f99aa51f",
"name": "Get Shipyard",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
880,
0
],
"parameters": {
"method": "GET",
"url": "https://api.spacetraders.io/v2/systems/X1-UX96/waypoints/X1-UX96-H53/shipyard",
"authentication": "predefinedCredentialType",
"options": {},
"nodeCredentialType": "httpHeaderAuth",
"alwaysOutputData": true
},
"credentials": {
"httpHeaderAuth": {
"id": "56bs6PUHWdbliMlu",
"name": "SpaceTraders Auth"
}
}
},
{
"id": "b3de9e2e-15a8-4d3a-bf1e-09d862ed663b",
"name": "Select Ship",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1100,
0
],
"parameters": {
"jsCode": "\nconst {budget} = $('Check Fleet').first().json;\nconst shipyard = $input.first().json.data || {};\nconst ships = shipyard.ships || [];\n\nconst SHIPYARD_WP = 'X1-UX96-H53';\n\nconst miningShips = ships.filter(s => {\n const hasMiningMount = (s.mounts || []).some(m => m.symbol?.includes('MINING_LASER'));\n const isMiningType = (s.type || '').includes('MINING');\n return hasMiningMount || isMiningType;\n});\n\nif (miningShips.length === 0) return [];\n\nminingShips.sort((a, b) => (a.purchasePrice || 0) - (b.purchasePrice || 0));\n\nconst best = miningShips.find(s => (s.purchasePrice || 0) <= budget);\nif (!best) return [];\n\nreturn [{json: {\n shipType: best.type,\n waypointSymbol: SHIPYARD_WP,\n price: best.purchasePrice,\n budget,\n}}];\n"
}
},
{
"id": "44432d5a-a07f-4e24-bb79-4e367962898c",
"name": "Buy Ship",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1320,
0
],
"parameters": {
"method": "POST",
"url": "https://api.spacetraders.io/v2/my/ships",
"authentication": "predefinedCredentialType",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\"shipType\":\"{{ $json.shipType }}\",\"waypointSymbol\":\"{{ $json.waypointSymbol }}\"}",
"options": {},
"nodeCredentialType": "httpHeaderAuth",
"alwaysOutputData": true
},
"credentials": {
"httpHeaderAuth": {
"id": "56bs6PUHWdbliMlu",
"name": "SpaceTraders Auth"
}
}
},
{
"id": "bbb42e7c-df0f-46a1-885b-1a5b2b392047",
"name": "Notify Purchase",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1540,
0
],
"parameters": {
"method": "POST",
"url": "http://localhost:5678/webhook/spaceship-notify",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\"title\":\"New ship purchased!\",\"message\":\"{{ $json.data.ship.symbol }} ({{ $json.data.ship.frame.symbol }}) bought for {{ $('Select Ship').first().json.price }} cr. Credits remaining: {{ $json.data.agent.credits }}\",\"severity\":\"info\"}",
"options": {}
}
}
],
"connections": {
"Every 10 min": {
"main": [
[
{
"node": "Get Agent",
"type": "main",
"index": 0
}
]
]
},
"Get Agent": {
"main": [
[
{
"node": "Get Ships",
"type": "main",
"index": 0
}
]
]
},
"Get Ships": {
"main": [
[
{
"node": "Check Fleet",
"type": "main",
"index": 0
}
]
]
},
"Check Fleet": {
"main": [
[
{
"node": "Get Shipyard",
"type": "main",
"index": 0
}
]
]
},
"Get Shipyard": {
"main": [
[
{
"node": "Select Ship",
"type": "main",
"index": 0
}
]
]
},
"Select Ship": {
"main": [
[
{
"node": "Buy Ship",
"type": "main",
"index": 0
}
]
]
},
"Buy Ship": {
"main": [
[
{
"node": "Notify Purchase",
"type": "main",
"index": 0
}
]
]
}
},
"authors": "Martin Castaneda",
"name": null,
"description": null,
"autosaved": false,
"workflowPublishHistory": [
{
"createdAt": "2026-05-27T15:40:36.364Z",
"id": 176,
"workflowId": "QLLz8mSf120TQqW9",
"versionId": "4210079e-1165-4148-ad1c-713062664f8b",
"event": "activated",
"userId": "57a0ed57-85ea-48e0-a5d9-21b1a9cc107c"
}
]
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
httpHeaderAuth
Pro
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About this workflow
ST-08 Ship Buyer. Uses httpRequest. Scheduled trigger; 8 nodes.
Source: https://github.com/mcastae813/SpaceShipIO/blob/c59d60eb242cd78a5dd275aec5b1ef86dde446e6/workflows/08-ship-buyer.json — original creator credit. Request a take-down →
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