{ "name": "Create a self-hosted blockchain payment processor with x402 and 1Shot API", "nodes": [ { "id": "18ef87da-599a-4aa9-89cb-dab6ac024abe", "name": "Simulate Payment", "type": "n8n-nodes-1shot.oneShot", "position": [ 208, 32 ] }, { "id": "d6d7add8-77b1-4083-9dbb-f4140e96dd56", "name": "/verify", "type": "n8n-nodes-base.webhook", "position": [ -688, 416 ] }, { "id": "734689a3-1a5a-4e75-aeff-0cfe1906147a", "name": "/settle", "type": "n8n-nodes-base.webhook", "position": [ -688, 608 ] }, { "id": "21939197-b339-42fc-94d8-2bbdb2442a0e", "name": "Settlement Response", "type": "n8n-nodes-base.respondToWebhook", "position": [ 432, 224 ] }, { "id": "5fa377a6-f450-497d-bec0-ad19c08bdcfc", "name": "Verify Response", "type": "n8n-nodes-base.respondToWebhook", "position": [ 432, 32 ] }, { "id": "3a22826f-7857-4e5b-9239-a504b6a4b918", "name": "Response: Bad POST Body (/verify)", "type": "n8n-nodes-base.respondToWebhook", "position": [ -16, 704 ] }, { "id": "954e3c34-dad9-4c62-b5a6-97cff5a642dd", "name": "Response: Bad POST Body (/settle)", "type": "n8n-nodes-base.respondToWebhook", "position": [ -16, 896 ] }, { "id": "63d9fe6a-7618-429b-9e47-db9451542337", "name": "1Shot API Submit & Wait", "type": "n8n-nodes-1shot.oneShotSynch", "position": [ 208, 224 ] }, { "id": "019b8699-64d1-4404-9ba2-3c61a377fd8a", "name": "Check POST Payload", "type": "n8n-nodes-base.if", "position": [ -464, 512 ] }, { "id": "08df85be-f602-4710-a9ca-340e39c9816b", "name": "/supported", "type": "n8n-nodes-base.webhook", "position": [ -688, 1120 ] }, { "id": "5b19047c-d340-4cfc-9909-b7589b999a32", "name": "Response: Return Supported Networks", "type": "n8n-nodes-base.respondToWebhook", "position": [ -240, 1120 ] }, { "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" } }, { "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: fa" } }, { "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*Imp" } }, { "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," } }, { "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. " } }, { "id": "c6292c7a-cac1-46be-a61c-b80170aa1a93", "name": "Supported Networks Config", "type": "n8n-nodes-base.code", "position": [ -464, 1120 ] }, { "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.1shotap" } }, { "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 con" } }, { "id": "efa373f0-b6ae-4a46-b6f2-ec6f6d2eae67", "name": "Unsupported Token", "type": "n8n-nodes-base.if", "position": [ -16, 512 ] }, { "id": "c7ab50fa-af33-41ec-849f-a53f7ec7b54d", "name": "verify or settle", "type": "n8n-nodes-base.if", "position": [ -16, 128 ] }, { "id": "b80d7ac0-14bc-4dfb-936b-a09c3644ba53", "name": "Response: Unsupported Token (/verify)", "type": "n8n-nodes-base.respondToWebhook", "position": [ 208, 416 ] }, { "id": "f57b3f31-2f63-482a-87d7-cdeb8884f0de", "name": "Response: Unsupported Token (/settle)", "type": "n8n-nodes-base.respondToWebhook", "position": [ 208, 608 ] }, { "id": "c94b228a-7a92-45b9-9ded-fb34186eaa2e", "name": "Bad Payload", "type": "n8n-nodes-base.if", "position": [ -240, 800 ] }, { "id": "68d961ac-3d63-40ff-aecb-acb5d3c8e8f4", "name": "Lookup Payment Configs & Split Signature", "type": "n8n-nodes-base.code", "position": [ -240, 320 ] }, { "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](" } } ], "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 } ] ] } } }