1Shot API 
This workflow corresponds to n8n.io template #7364 — we link there as the canonical source.
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 →
{
"id": "iOBvq8tJmbslKLvM",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "n8n Facilitator with 1Shot API",
"tags": [
{
"id": "ChlnN7rtKHJMnWmM",
"name": "x402",
"createdAt": "2025-06-19T04:23:28.149Z",
"updatedAt": "2025-06-19T04:23:28.149Z"
}
],
"nodes": [
{
"id": "18ef87da-599a-4aa9-89cb-dab6ac024abe",
"name": "Simulate Payment",
"type": "n8n-nodes-1shot.oneShot",
"position": [
208,
32
],
"parameters": {
"params": "={\n \"from\": \"{{ $json.body.paymentPayload.authorization.from }}\",\n \"to\": \"{{ $json.body.paymentPayload.authorization.to }}\",\n \"value\": \"{{ $json.body.paymentPayload.authorization.value }}\",\n \"validAfter\": \"{{ $json.body.paymentPayload.authorization.validAfter }}\",\n \"validBefore\": \"{{ $json.body.paymentPayload.authorization.validBefore }}\",\n \"nonce\": \"{{ $json.body.paymentPayload.authorization.nonce }}\",\n \"v\": \"{{ $json.body.paymentRequirements.v }}\",\n \"r\": \"{{ $json.body.paymentRequirements.r }}\",\n \"s\": \"{{ $json.body.paymentRequirements.s }}\"\n} ",
"operation": "simulate",
"contractMethodId": "={{ $json.paymentConfig.contractMethodId }}"
},
"credentials": {
"oneShotOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "d6d7add8-77b1-4083-9dbb-f4140e96dd56",
"name": "/verify",
"type": "n8n-nodes-base.webhook",
"position": [
-688,
416
],
"parameters": {
"path": "/verify",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "734689a3-1a5a-4e75-aeff-0cfe1906147a",
"name": "/settle",
"type": "n8n-nodes-base.webhook",
"position": [
-688,
608
],
"parameters": {
"path": "/settle",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "21939197-b339-42fc-94d8-2bbdb2442a0e",
"name": "Settlement Response",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
432,
224
],
"parameters": {
"options": {
"responseCode": 402
},
"respondWith": "json",
"responseBody": "={\n \"success\": {{ $json.status === \"Completed\" }},\n \"error\": {{ JSON.stringify($json.failureReason) }},\n \"txHash\": \"{{ $json.transactionHash }}\",\n \"networkId\": \"{{ $json.chainId }}\"\n}"
},
"typeVersion": 1.3
},
{
"id": "5fa377a6-f450-497d-bec0-ad19c08bdcfc",
"name": "Verify Response",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
432,
32
],
"parameters": {
"options": {
"responseCode": 402
},
"respondWith": "json",
"responseBody": "={\n \"isValid\": {{ $json.success }},\n \"invalidReason\": \"{{ $json.error.reason }}\"\n} "
},
"typeVersion": 1.3
},
{
"id": "3a22826f-7857-4e5b-9239-a504b6a4b918",
"name": "Response: Bad POST Body (/verify)",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
-16,
704
],
"parameters": {
"options": {
"responseCode": 402
},
"respondWith": "json",
"responseBody": "{\n \"isValid\": false,\n \"invalidReason\": \"Incorrect or missing payload arguments\"\n}"
},
"typeVersion": 1.3
},
{
"id": "954e3c34-dad9-4c62-b5a6-97cff5a642dd",
"name": "Response: Bad POST Body (/settle)",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
-16,
896
],
"parameters": {
"options": {
"responseCode": 402
},
"respondWith": "json",
"responseBody": "={\n \"success\": false,\n \"error\": \"Missing or incorrect POST body\",\n \"txHash\": null,\n \"networkId\": {{ JSON.stringify($json.body.paymentRequirements.network) }}\n}"
},
"typeVersion": 1.3
},
{
"id": "63d9fe6a-7618-429b-9e47-db9451542337",
"name": "1Shot API Submit & Wait",
"type": "n8n-nodes-1shot.oneShotSynch",
"position": [
208,
224
],
"parameters": {
"params": "={\n \"from\": \"{{ $json.body.paymentPayload.authorization.from }}\",\n \"to\": \"{{ $json.body.paymentPayload.authorization.to }}\",\n \"value\": \"{{ $json.body.paymentPayload.authorization.value }}\",\n \"validAfter\": \"{{ $json.body.paymentPayload.authorization.validAfter }}\",\n \"validBefore\": \"{{ $json.body.paymentPayload.authorization.validBefore }}\",\n \"nonce\": \"{{ $json.body.paymentPayload.authorization.nonce }}\",\n \"v\": \"{{ $json.body.paymentRequirements.v }}\",\n \"r\": \"{{ $json.body.paymentRequirements.r }}\",\n \"s\": \"{{ $json.body.paymentRequirements.s }}\"\n} ",
"additionalFields": {
"memo": "="
},
"contractMethodId": "={{ $json.paymentConfig.contractMethodId }}"
},
"credentials": {
"oneShotOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "019b8699-64d1-4404-9ba2-3c61a377fd8a",
"name": "Check POST Payload",
"type": "n8n-nodes-base.if",
"position": [
-464,
512
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "2ff83590-61f3-41d8-8500-a96103c3844c",
"operator": {
"type": "number",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.x402Version }}",
"rightValue": ""
},
{
"id": "8aa3ceb5-3fb4-4561-a4f5-3c030e190f9f",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.paymentPayload.signature }}",
"rightValue": ""
},
{
"id": "d43e938b-1c66-49dc-9e45-74d7cd152790",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.paymentPayload.authorization.from }}",
"rightValue": ""
},
{
"id": "b962c55e-5e76-4bb9-a6cb-77a972c65b68",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.body.paymentPayload.authorization.to.toLowerCase() }}",
"rightValue": "={{ $json.body.paymentRequirements.payTo.toLowerCase() }}"
},
{
"id": "0d49d306-c7e1-4625-b462-cb710ded7ca0",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.paymentPayload.authorization.value }}",
"rightValue": ""
},
{
"id": "92aa41a4-4530-4b62-a5ed-27e9bd9c0fee",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.paymentPayload.authorization.validAfter }}",
"rightValue": ""
},
{
"id": "ad7542b4-a9e2-4e34-91b4-27cbedf70abb",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.paymentPayload.authorization.validBefore }}",
"rightValue": ""
},
{
"id": "e8b8fc7a-7307-4e6b-a038-d9f63cffed94",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.paymentPayload.authorization.nonce }}",
"rightValue": ""
},
{
"id": "723bbc2a-285e-4021-8a7c-d785c429754d",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.paymentRequirements.asset }}",
"rightValue": ""
},
{
"id": "f3042c49-591a-4085-a22e-33f35005b2bc",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.body.paymentRequirements.network }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "08df85be-f602-4710-a9ca-340e39c9816b",
"name": "/supported",
"type": "n8n-nodes-base.webhook",
"position": [
-688,
1120
],
"parameters": {
"path": "supported",
"options": {},
"responseMode": "responseNode"
},
"typeVersion": 2.1
},
{
"id": "5b19047c-d340-4cfc-9909-b7589b999a32",
"name": "Response: Return Supported Networks",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
-240,
1120
],
"parameters": {
"options": {
"responseCode": 402
},
"respondWith": "json",
"responseBody": "={\n \"kinds\": {{ JSON.stringify($json.kinds) }}\n} "
},
"typeVersion": 1.3
},
{
"id": "ac002b7a-108e-49b6-bed7-16bb8477fe6e",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1168,
64
],
"parameters": {
"width": 448,
"height": 464,
"content": "## /verify endpoint\n\nThe verify endpoint will check that the given `x-payment` header, given the associated `paymentRequirements`, are valid. If the payment details are valid this endpoint will return:\n```sh\n{\n isValid: true;\n invalidReason: \"\";\n}\n```\n\nIf the endpoint determines that the payment details will revert for any reason, it will return with: \n```sh\n{\n isValid: false;\n invalidReason: \"<Smart Contract Revert Error>\";\n}\n```\n"
},
"typeVersion": 1
},
{
"id": "cea02913-92b7-45aa-bcb2-1e3dc3a8d588",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1168,
592
],
"parameters": {
"width": 432,
"height": 464,
"content": "## /settle endpoint\n\nThe settle endpoint will attempt to settle a payment to the target blockchain given the provided payment details. If this endpoint fails it will return with:\n```sh\n{\n success: false;\n error: \"<Reason for tx failure>\";\n txHash: null;\n networkId: \"<network name>\";\n}\n```\n\nIf the endpoint succeeds, it will return:\n```sh\n{\n success: true;\n error: null;\n txHash: \"transaction hash\";\n networkId: \"<network name>\";\n}\n```\n"
},
"typeVersion": 1
},
{
"id": "9cd414aa-fa67-4c9c-8177-6a3568d43af2",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-464,
48
],
"parameters": {
"width": 320,
"height": 240,
"content": "## Accepted Tokens Config \n\nYou must edit the payment tokens `config` object in the `Lookup Payments Config` node with the token details of all tokens you wish to support with your facilitator. \n\n*Important*: Be sure to import the contract methods for the appropriate tokens into your 1Shot API node. "
},
"typeVersion": 1
},
{
"id": "e788d782-8540-437e-b86f-a3d14c75b885",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1152,
1152
],
"parameters": {
"width": 416,
"height": 320,
"content": "## /supported endpoint\n\nThis endpoint returns the blockchain networks your facilitator will support. Its output looks like: \n\n\n```sh\n{\n kinds: [\n {\n \"scheme\": string,\n \"network\": string,\n }\n ]\n}\n```"
},
"typeVersion": 1
},
{
"id": "64f5beea-0952-4aca-9c07-3ec3eef523d8",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-544,
1344
],
"parameters": {
"width": 384,
"height": 176,
"content": "## Supported Networks Config\n\nBe sure to update the `Supported Networks Config` node to reflect the networks you have configured your 1Shot API account to process. "
},
"typeVersion": 1
},
{
"id": "c6292c7a-cac1-46be-a61c-b80170aa1a93",
"name": "Supported Networks Config",
"type": "n8n-nodes-base.code",
"onError": "continueErrorOutput",
"position": [
-464,
1120
],
"parameters": {
"jsCode": "const input = $input.all()\n\n\nconst kinds = [\n {\n \"scheme\": \"exact\",\n \"network\": \"base-mainnet\",\n },\n {\n \"scheme\": \"exact\",\n \"network\": \"base-sepolia\",\n },\n {\n \"scheme\": \"exact\",\n \"network\": \"sepolia\",\n },\n {\n \"scheme\": \"exact\",\n \"network\": \"avalanche\",\n },\n {\n \"scheme\": \"exact\",\n \"network\": \"avalanche-fuji\",\n },\n {\n \"scheme\": \"exact\",\n \"network\": \"arbitrum-mainnet\",\n },\n {\n \"scheme\": \"exact\",\n \"network\": \"ethereum-mainnet\",\n }\n ]\n\n$input.first().json.kinds = kinds;\n\nreturn $input.all();\n"
},
"typeVersion": 2
},
{
"id": "9fb18099-c840-47af-b8d6-9f8107c05dd3",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2000,
400
],
"parameters": {
"width": 800,
"height": 928,
"content": "## Example Facilitator Curl Request\n\nHere is a complete curl request you can use to test your node (be sure to change the URL to point at your n8n webhook):\n\n```sh\ncurl -X POST \\\n https://n8n.1shotapi.dev/webhook-test/settle \\\n -H \"User-Agent: CustomUserAgent/1.0\" \\\n -H \"Accept: application/json\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\n \"x402Version\": 1,\n \"paymentPayload\": {\n \"authorization\":{\n \"from\":\"0x9fEad8B19C044C2f404dac38B925Ea16ADaa2954\",\n \"to\":\"0x9fead8b19c044c2f404dac38b925ea16adaa2954\",\n \"value\":\"1000000\",\n \"validAfter\":\"1755714180\",\n \"validBefore\":\"1755714520\",\n \"nonce\":\"0x19f7c8ccf93c450727021041feb01ed0fda4b18cc90f41c9c0f0ff18a2310441\"\n },\n \"signature\":\"0x5fe02d768cc1b342c48c6312d0479308bb256ea2af4c59ce34aec3a5ccb1539b542b786e519ab44de5405c2dfc8a0f860fa1aa9ff4436991ad6260d4ae2927941c\"\n },\n \"paymentRequirements\": {\n \"scheme\": \"exact\",\n \"network\": \"sepolia\",\n \"maxAmountRequired\": \"5000000\",\n \"resource\": \"https://n8n.1shotapi.dev/webhook/gas-station\",\n \"description\": \"Swap stablecoins for gas tokens\",\n \"mimeType\": \"\",\n \"outputSchema\": {},\n \"payTo\": \"0x9fEad8B19C044C2f404dac38B925Ea16ADaa2954\",\n \"maxTimeoutSeconds\": 150,\n \"asset\": \"0xcac524bca292aaade2df8a05cc58f0a65b1b3bb9\",\n \"extra\": {\n \"name\": \"PayPal USD\",\n \"version\": \"1\"\n }\n }\n }'\n```"
},
"typeVersion": 1
},
{
"id": "7c69392c-d424-4639-909e-588a5f17cee2",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
16,
-240
],
"parameters": {
"width": 432,
"height": 224,
"content": "## Create Your 1Shot API Credential\n\nDon't forget to authenticate against your 1Shot API business by creating an n8n credential. \n\nClick on one of the 1Shot API nodes, then click on `Credential to connect with`, then enter you API key, secret, and business id. "
},
"typeVersion": 1
},
{
"id": "efa373f0-b6ae-4a46-b6f2-ec6f6d2eae67",
"name": "Unsupported Token",
"type": "n8n-nodes-base.if",
"position": [
-16,
512
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "185b904e-d8c8-4605-9075-531abc762b46",
"operator": {
"type": "string",
"operation": "contains"
},
"leftValue": "={{ $json.webhookUrl }}",
"rightValue": "verify"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "c7ab50fa-af33-41ec-849f-a53f7ec7b54d",
"name": "verify or settle",
"type": "n8n-nodes-base.if",
"position": [
-16,
128
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "185b904e-d8c8-4605-9075-531abc762b46",
"operator": {
"type": "string",
"operation": "contains"
},
"leftValue": "={{ $json.webhookUrl }}",
"rightValue": "verify"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "b80d7ac0-14bc-4dfb-936b-a09c3644ba53",
"name": "Response: Unsupported Token (/verify)",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
208,
416
],
"parameters": {
"options": {
"responseCode": 402
},
"respondWith": "json",
"responseBody": "{\n \"isValid\": false,\n \"invalidReason\": \"Unsupported payment token\"\n}"
},
"typeVersion": 1.3
},
{
"id": "f57b3f31-2f63-482a-87d7-cdeb8884f0de",
"name": "Response: Unsupported Token (/settle)",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
208,
608
],
"parameters": {
"options": {
"responseCode": 402
},
"respondWith": "json",
"responseBody": "={\n \"success\": false,\n \"error\": \"Unsupported payment token\",\n \"txHash\": null,\n \"networkId\": {{ JSON.stringify(($json.error.match(/<([^>]+)>/) || [])[1] || null) }}\n} "
},
"typeVersion": 1.3
},
{
"id": "c94b228a-7a92-45b9-9ded-fb34186eaa2e",
"name": "Bad Payload",
"type": "n8n-nodes-base.if",
"position": [
-240,
800
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "185b904e-d8c8-4605-9075-531abc762b46",
"operator": {
"type": "string",
"operation": "contains"
},
"leftValue": "={{ $json.webhookUrl }}",
"rightValue": "verify"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "68d961ac-3d63-40ff-aecb-acb5d3c8e8f4",
"name": "Lookup Payment Configs & Split Signature",
"type": "n8n-nodes-base.code",
"onError": "continueErrorOutput",
"position": [
-240,
320
],
"parameters": {
"jsCode": "const fromToken = $input.first().json.body.paymentRequirements.asset;\nconst fromChain = $input.first().json.body.paymentRequirements.network;\n\n// Here is where you configure the payments tokens you will facilitate\n// the contractMethodId comes from your 1Shot API account. Import a `transferWithAuthorization`\n// method from an x402-compatible payment token and put its contractMethodId here. \n// IMPORTANT: Be sure that you are using a `transferWithAuthorization` function that takes\n// r, s, and v signature components. \nconst config = {\n \"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913\": {\n tokenAddress: \"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913\",\n chain: \"8453\",\n name: \"USD Coin\",\n version: \"2\",\n contractMethodId: \"\",\n network: \"base-mainnet\"\n },\n \"0x036cbd53842c5426634e7929541ec2318f3dcf7e\": {\n tokenAddress: \"0x036cbd53842c5426634e7929541ec2318f3dcf7e\",\n chain: \"84532\",\n name: \"USDC\",\n version: \"2\",\n contractMethodId: \"\",\n network: \"base-sepolia\"\n },\n \"0xb97ef9ef8734c71904d8002f8b6bc66dd9c48a6e\": {\n tokenAddress: \"0xb97ef9ef8734c71904d8002f8b6bc66dd9c48a6e\",\n chain: \"43114\",\n name: \"USD Coin\",\n version: \"2\",\n contractMethodId: \"\",\n network: \"avalanche\"\n },\n \"0xaf88d065e77c8cc2239327c5edb3a432268e5831\": {\n tokenAddress: \"0xaf88d065e77c8cc2239327c5edb3a432268e5831\",\n chain: \"42161\",\n name: \"USD Coin\",\n version: \"2\",\n contractMethodId: \"\",\n network: \"arbitrum-mainnet\"\n },\n \"0xcACYOUR_TWILIO_ACCOUNT_SIDb3bb9\": {\n tokenAddress: \"0xcACYOUR_TWILIO_ACCOUNT_SIDb3bb9\",\n chain: \"11155111\",\n name: \"PayPal USD\",\n version: \"1\",\n contractMethodId: \"\",\n network: \"sepolia\"\n },\n \"0x6c3ea9036406852006290770BEdFcAbA0e23A0e8\": {\n tokenAddress: \"0x6c3ea9036406852006290770BEdFcAbA0e23A0e8\",\n chain: \"1\",\n name: \"PayPal USD\",\n version: \"1\",\n contractMethodId: \"\",\n network: \"ethereum-mainnet\"\n }\n};\n\nfunction splitSignature(sigHex) {\n // Remove \"0x\" prefix if present\n const hex = sigHex.startsWith(\"0x\") ? sigHex.slice(2) : sigHex;\n\n // Convert hex to byte array\n const bytes = new Uint8Array(hex.length / 2);\n for (let i = 0; i < bytes.length; i++) {\n bytes[i] = parseInt(hex.substr(i * 2, 2), 16);\n }\n\n if (bytes.length !== 65) {\n throw new Error(`Invalid signature length: got ${bytes.length} bytes`);\n }\n\n // Convert byte ranges to hex strings\n const toHex = (arr) =>\n \"0x\" + Array.from(arr).map(b => b.toString(16).padStart(2, \"0\")).join(\"\");\n\n const r = toHex(bytes.slice(0, 32));\n const s = toHex(bytes.slice(32, 64));\n\n // Normalize v\n let v = bytes[64];\n if (v === 0) v = 27;\n else if (v === 1) v = 28;\n else if (v !== 27 && v !== 28 && v >= 35) {\n v = (v & 1) ? 27 : 28; // EIP-155\n }\n\n const vHex = \"0x\" + v.toString(16).padStart(2, \"0\");\n\n return { r, s, v: vHex };\n}\n\nconst splitSig = splitSignature($input.first().json.body.paymentPayload.signature);\n$input.first().json.body.paymentRequirements.r = splitSig.r;\n$input.first().json.body.paymentRequirements.s = splitSig.s;\n$input.first().json.body.paymentRequirements.v = splitSig.v;\n\n// Check if fromToken exists in config\nif (!config[fromToken.toLowerCase()]) {\n throw new Error(`Token ${fromToken} not found in configuration`);\n}\n\n// Optionally you could also validate the chain if needed\nif (config[fromToken.toLowerCase()].network !== fromChain) {\n throw new Error(`Invalid chain for token ${fromToken} on <${fromChain}>`);\n}\n\n// Add the parsed JSON object to the input\n$input.first().json.paymentConfig = config[fromToken.toLowerCase()];\n\nreturn $input.all();\n\n"
},
"typeVersion": 2
},
{
"id": "788f68b0-4429-4828-b77a-4e58b4dad955",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1904,
-80
],
"parameters": {
"width": 576,
"height": 432,
"content": "## Docs & Setup Tutorial\n\n@[youtube](J4ftyV-wz50)\n\nYou can check out our [docs link](https://docs.1shotapi.com/automation/n8n.html#host-your-own-x402-facilitator) or start with the [YouTube tutorial](https://youtu.be/J4ftyV-wz50) for orientation. "
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "855725ba-996a-4cbf-9367-753b51aa979b",
"connections": {
"/settle": {
"main": [
[
{
"node": "Check POST Payload",
"type": "main",
"index": 0
}
]
]
},
"/verify": {
"main": [
[
{
"node": "Check POST Payload",
"type": "main",
"index": 0
}
]
]
},
"/supported": {
"main": [
[
{
"node": "Supported Networks Config",
"type": "main",
"index": 0
}
]
]
},
"Bad Payload": {
"main": [
[
{
"node": "Response: Bad POST Body (/verify)",
"type": "main",
"index": 0
}
],
[
{
"node": "Response: Bad POST Body (/settle)",
"type": "main",
"index": 0
}
]
]
},
"Simulate Payment": {
"main": [
[
{
"node": "Verify Response",
"type": "main",
"index": 0
}
]
]
},
"verify or settle": {
"main": [
[
{
"node": "Simulate Payment",
"type": "main",
"index": 0
}
],
[
{
"node": "1Shot API Submit & Wait",
"type": "main",
"index": 0
}
]
]
},
"Unsupported Token": {
"main": [
[
{
"node": "Response: Unsupported Token (/verify)",
"type": "main",
"index": 0
}
],
[
{
"node": "Response: Unsupported Token (/settle)",
"type": "main",
"index": 0
}
]
]
},
"Check POST Payload": {
"main": [
[
{
"node": "Lookup Payment Configs & Split Signature",
"type": "main",
"index": 0
}
],
[
{
"node": "Bad Payload",
"type": "main",
"index": 0
}
]
]
},
"1Shot API Submit & Wait": {
"main": [
[
{
"node": "Settlement Response",
"type": "main",
"index": 0
}
],
[
{
"node": "Settlement Response",
"type": "main",
"index": 0
}
]
]
},
"Supported Networks Config": {
"main": [
[
{
"node": "Response: Return Supported Networks",
"type": "main",
"index": 0
}
]
]
},
"Lookup Payment Configs & Split Signature": {
"main": [
[
{
"node": "verify or settle",
"type": "main",
"index": 0
}
],
[
{
"node": "Unsupported Token",
"type": "main",
"index": 0
}
]
]
}
}
}
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.
oneShotOAuth2Api
Pro
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About this workflow
This workflow contains community nodes that are only compatible with the self-hosted version of n8n.
Source: https://n8n.io/workflows/7364/ — original creator credit. Request a take-down →
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