The workflow JSON
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{
"id": "ZBH1ExE58wsoodkZ",
"name": "OpenSea NFT Agent Tool",
"tags": [],
"nodes": [
{
"id": "33cb5db2-a023-4a6c-a4ad-3f4b3c35ce42",
"name": "NFT Agent Brain",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1340,
240
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "9d1fa8e4-3acf-4ace-965c-ea5cdfcdc366",
"name": "NFT Agent Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
1520,
240
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "d396bb90-00a6-41da-898d-7815d8d25fe3",
"name": "OpenSea NFT Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
2140,
-20
],
"parameters": {
"text": "={{ $json.message }}",
"options": {
"systemMessage": "# **\ud83d\udee0 OpenSea NFT Agent \u2013 System Message** \n\n## **\ud83d\udd39 Role & Purpose**\nThe **OpenSea NFT Agent** is a powerful AI-driven assistant specialized in retrieving, analyzing, and processing NFT-related data from **OpenSea's API**. It provides insights into:\n- User profiles\n- NFT collections and contracts\n- Individual NFTs, their metadata, traits, and ownership\n- Payment tokens used in NFT transactions\n- Bulk NFT retrievals (by account, collection, or contract) \n\nThis agent is designed to interact **directly** with OpenSea\u2019s API and follows strict formatting rules to ensure valid requests and accurate responses.\n\n---\n\n# **\u26a1 Available Tools & How to Use Them**\nThe **NFT Agent** has access to **multiple OpenSea API endpoints**, each serving a specific purpose.\n\n## **1\ufe0f\u20e3 Get Account**\n\ud83d\udccd **Endpoint**: `/api/v2/accounts/{address_or_username}` \n\ud83d\udd39 **Description**: Retrieves an OpenSea user profile, including:\n - Bio \n - Social media usernames \n - Profile image \n\n\ud83d\udd39 **Required Parameter**: \n - `address_or_username` \u2192 Public blockchain address or OpenSea username \n\n\ud83d\udd39 **Example Query**: \n _\"Retrieve OpenSea profile for user `0xA5f49655E6814d9262fb656d92f17D7874d5Ac7E`.\"_\n\n---\n\n## **2\ufe0f\u20e3 Get Collection**\n\ud83d\udccd **Endpoint**: `/api/v2/collections/{collection_slug}` \n\ud83d\udd39 **Description**: Fetches details about a specific NFT collection, including:\n - Collection metadata \n - Fees \n - Traits \n - Social media links \n\n\ud83d\udd39 **Required Parameter**: \n - `collection_slug` \u2192 Unique identifier for the collection (found in OpenSea URL) \n\n\ud83d\udd39 **Example Query**: \n _\"Retrieve details for the 'Bored Ape Yacht Club' collection.\"_\n\n---\n\n## **3\ufe0f\u20e3 Get Collections**\n\ud83d\udccd **Endpoint**: `/api/v2/collections` \n\ud83d\udd39 **Description**: Fetches a **list of NFT collections** with optional filters. \n\n\ud83d\udd39 **Optional Parameters**: \n - `chain` \u2192 Filter by blockchain (**must be a valid chain** from the list below). \n - `creator_username` \u2192 Return collections from a specific OpenSea username. \n - `include_hidden` \u2192 Boolean (`true`/`false`) to include hidden collections. \n - `limit` \u2192 Number of results (1-100, default: 100). \n - `next` \u2192 Cursor for pagination. \n - `order_by` \u2192 Sorting option (`created_date`, `market_cap`, `num_owners`, `one_day_change`, `seven_day_change`, `seven_day_volume`). \n\n\ud83d\udd39 **Example Query**: \n _\"List the top 10 NFT collections on Ethereum sorted by market cap.\"_\n\n---\n\n## **4\ufe0f\u20e3 Get Contract**\n\ud83d\udccd **Endpoint**: `/api/v2/chain/{chain}/contract/{address}` \n\ud83d\udd39 **Description**: Retrieves **smart contract details** for an NFT collection. \n\n\ud83d\udd39 **Required Parameters**: \n - `chain` \u2192 Blockchain network (**must be valid, see list below**). \n - `address` \u2192 Smart contract address of the NFT collection. \n\n\ud83d\udd39 **Example Query**: \n _\"Retrieve contract details for `0xABCDEF...` on Ethereum.\"_\n\n---\n\n## **5\ufe0f\u20e3 Get NFT**\n\ud83d\udccd **Endpoint**: `/api/v2/chain/{chain}/contract/{address}/nfts/{identifier}` \n\ud83d\udd39 **Description**: Retrieves **metadata, traits, ownership, and rarity** of a specific NFT. \n\n\ud83d\udd39 **Required Parameters**: \n - `chain` \u2192 Blockchain network (**must be valid, see list below**). \n - `address` \u2192 Smart contract address of the NFT collection. \n - `identifier` \u2192 The **NFT Token ID**. \n\n\ud83d\udd39 **Example Query**: \n _\"Retrieve metadata for NFT #1234 from Ethereum contract `0xABCDEF...`.\"_\n\n---\n\n## **6\ufe0f\u20e3 Get NFTs (by Account)**\n\ud83d\udccd **Endpoint**: `/api/v2/chain/{chain}/account/{address}/nfts` \n\ud83d\udd39 **Description**: Retrieves **all NFTs owned** by a given account address. \n\n\ud83d\udd39 **Required Parameters**: \n - `chain` \u2192 Blockchain network (**must be valid, see list below**). \n - `address` \u2192 Public blockchain address of the owner. \n\n\ud83d\udd39 **Optional Parameters**: \n - `collection` \u2192 Filter by specific NFT collection. \n - `limit` \u2192 Number of NFTs to return (1-200, default: 50). \n - `next` \u2192 Cursor for pagination. \n\n\ud83d\udd39 **Example Query**: \n _\"Retrieve all NFTs owned by `0x123...` on Ethereum.\"_\n\n---\n\n## **\u26a0\ufe0f Important Rules & Restrictions**\n### **\ud83d\udea8 1. Only Allowed Blockchain Inputs**\n\u2705 **Valid Blockchains for Queries**:\n- `amoy`\n- `ape_chain`\n- `ape_curtis`\n- `arbitrum`\n- `arbitrum_nova`\n- `arbitrum_sepolia`\n- `avalanche`\n- `avalanche_fuji`\n- `b3`\n- `b3_sepolia`\n- `baobab`\n- `base`\n- `base_sepolia`\n- `bera_chain`\n- `blast`\n- `blast_sepolia`\n- `ethereum`\n- `flow`\n- `flow_testnet`\n- `klaytn`\n- **`matic`** _(Use this instead of \"polygon\")_\n- `monad_testnet`\n- `mumbai`\n- `optimism`\n- `optimism_sepolia`\n- `sei_testnet`\n- `sepolia`\n- `shape`\n- `solana`\n- `soldev`\n- `soneium`\n- `soneium_minato`\n- `unichain`\n- `zora`\n- `zora_sepolia`\n\n\ud83d\udea8 **Critical Rule:**\n- \u274c `\"polygon\"` **is NOT a valid chain input** and **must be replaced with** `\"matic\"`. \n- \u274c Using an unsupported blockchain **will cause an error**. \n- \u2705 Always verify blockchain names before executing a query.\n\n---\n\n## **\ud83d\udccc Example Queries**\n\u2705 _\"Find the OpenSea profile for `0x123...`.\"_ \n\u2705 _\"List all NFT collections created by `CryptoArtistX`.\"_ \n\u2705 _\"Retrieve contract details for `0xABC...` on Ethereum.\"_ \n\u2705 _\"Fetch metadata for NFT #5678 in 'Azuki' collection.\"_ \n\u2705 _\"List the top 5 NFT collections on Solana, ordered by market cap.\"_ \n\n---\n\n## **\u26a0\ufe0f Error Handling**\nIf an OpenSea API request fails, **check for errors**:\n- \u2705 `200` \u2192 Success \n- \u274c `400` \u2192 Bad Request (Invalid input format) \n- \u274c `404` \u2192 Not Found (Incorrect `collection_slug`, `address`, or `identifier`) \n- \u274c `500` \u2192 Server Error (OpenSea API issue) \n\n---\n\n# **\ud83d\ude80 Conclusion**\nThe **OpenSea NFT Agent** is a **specialized AI-powered assistant** designed to retrieve and analyze NFT-related data on OpenSea. Whether you are a **collector, investor, or analyst**, this agent helps you stay **ahead of the market** by providing **real-time, structured, and in-depth insights**. \n\n**\ud83d\udd25 Follow all rules to ensure successful API queries! \ud83d\udd25**"
},
"promptType": "define"
},
"typeVersion": 1.8
},
{
"id": "c055762a-8fe7-4141-a639-df2372f30060",
"name": "Workflow Input Trigger",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"position": [
1420,
-20
],
"parameters": {
"workflowInputs": {
"values": [
{
"name": "message"
},
{
"name": "sessionId"
}
]
}
},
"typeVersion": 1.1
},
{
"id": "e2b0e848-ae9a-4fce-bf74-11cdebca512e",
"name": "OpenSea Get Account",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
1720,
240
],
"parameters": {
"url": "https://api.opensea.io/api/v2/accounts/{address_or_username}",
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"toolDescription": "This tool retrieves an OpenSea account profile, including bio, social media usernames, and profile image.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "a343aba5-6a1c-4a19-8054-d80a92b30db0",
"name": "OpenSea Get Collection",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
1920,
240
],
"parameters": {
"url": "https://api.opensea.io/api/v2/collections/{collection_slug}",
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"toolDescription": "This tool retrieves details of a specific NFT collection from OpenSea, including fees, traits, and links.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "c21482cd-bc29-47ee-9913-b200abdfd5bd",
"name": "OpenSea Get Collections",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
2120,
240
],
"parameters": {
"url": "https://api.opensea.io/api/v2/collections",
"sendQuery": true,
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"parametersQuery": {
"values": [
{
"name": "chain",
"valueProvider": "modelOptional"
},
{
"name": "creator_username",
"valueProvider": "modelOptional"
},
{
"name": "include_hidden",
"valueProvider": "modelOptional"
},
{
"name": "limit",
"valueProvider": "modelOptional"
},
{
"name": "next",
"valueProvider": "modelOptional"
},
{
"name": "order_by",
"valueProvider": "modelOptional"
}
]
},
"toolDescription": "This tool retrieves a list of OpenSea collections with filtering options for blockchain, creator, visibility, sorting, and pagination.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "ab41e2bc-8c99-41ae-bfa5-5a94c8068f33",
"name": "OpenSea Get Contract",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
2340,
240
],
"parameters": {
"url": "https://api.opensea.io/api/v2/chain/{chain}/contract/{address}",
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"toolDescription": "This tool retrieves details of a smart contract from OpenSea based on a given blockchain and contract address.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "f938ea94-59f7-4e9b-a75f-02b8e606e8ed",
"name": "OpenSea Get NFT",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
2580,
260
],
"parameters": {
"url": "https://api.opensea.io/api/v2/chain/{chain}/contract/{address}/nfts/{identifier}",
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"toolDescription": "This tool retrieves metadata, traits, ownership information, and rarity for a single NFT on OpenSea.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "c62f092e-353e-4038-a875-d3c86b9e2a3d",
"name": "OpenSea Get NFTs by Account",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
2820,
260
],
"parameters": {
"url": "https://api.opensea.io/api/v2/chain/{chain}/account/{address}/nfts",
"sendQuery": true,
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"parametersQuery": {
"values": [
{
"name": "collection",
"valueProvider": "modelOptional"
},
{
"name": "limit",
"valueProvider": "modelOptional"
},
{
"name": "next",
"valueProvider": "modelOptional"
}
]
},
"toolDescription": "This tool retrieves NFTs owned by a given account address on OpenSea, allowing filtering by collection, blockchain, and pagination options.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "4603a4f0-a46b-4ea9-b226-726f9763d823",
"name": "OpenSea Get NFTs by Collection",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
3080,
260
],
"parameters": {
"url": "https://api.opensea.io/api/v2/collection/{collection_slug}/nfts",
"sendQuery": true,
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"parametersQuery": {
"values": [
{
"name": "limit",
"valueProvider": "modelOptional"
},
{
"name": "next",
"valueProvider": "modelOptional"
}
]
},
"toolDescription": "This tool retrieves multiple NFTs for a given collection on OpenSea, allowing pagination and limit options.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "f27c8a55-230e-41a2-ba92-f8facb323e8d",
"name": "OpenSea Get NFTs by Contract",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
3320,
260
],
"parameters": {
"url": "https://api.opensea.io/api/v2/chain/{chain}/contract/{address}/nfts",
"sendQuery": true,
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"parametersQuery": {
"values": [
{
"name": "limit",
"valueProvider": "modelOptional"
},
{
"name": "next",
"valueProvider": "modelOptional"
}
]
},
"toolDescription": "This tool retrieves multiple NFTs for a given smart contract on OpenSea, allowing pagination and limit options.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "6043b056-339b-4bdd-898e-91e3b5915afd",
"name": "OpenSea Get Payment Token",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
3540,
260
],
"parameters": {
"url": "https://api.opensea.io/api/v2/chain/{chain}/payment_token/{address}",
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"toolDescription": "This tool retrieves details of a payment token from OpenSea based on a given blockchain and token address.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "5601cd2a-45f8-4cb6-acd8-02e44b033dcb",
"name": "OpenSea Get Traits",
"type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
"position": [
3760,
260
],
"parameters": {
"url": "https://api.opensea.io/api/v2/traits/{collection_slug}",
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"toolDescription": "This tool retrieves the traits in a given NFT collection from OpenSea.",
"parametersHeaders": {
"values": [
{
"name": "Accept",
"value": "application/json",
"valueProvider": "fieldValue"
},
{
"name": "x-api-key",
"value": "YOUR_OPENSEA_API_KEY",
"valueProvider": "fieldValue"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "86a6c757-bbda-41a9-90d1-1e8af808ae66",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
160,
-1240
],
"parameters": {
"color": 2,
"width": 920,
"height": 1880,
"content": "# OpenSea NFT Agent Tool (n8n Workflow) Guide\n\n## \ud83d\ude80 Workflow Overview\nThe **OpenSea NFT Agent Tool** is a specialized **AI-powered assistant** designed to interact with **OpenSea's API** to fetch, analyze, and process NFT-related data. It helps users access **NFT ownership, metadata, traits, collections, contracts, and payment tokens** efficiently.\n\n### \ud83c\udfaf **Key Features**:\n- Retrieve **OpenSea user profiles** by wallet address or username.\n- Fetch **NFT collections**, metadata, contracts, and smart contract details.\n- Access **individual NFT details**, including rarity and ownership.\n- Track **NFTs owned by an account**, collections, and smart contracts.\n- Retrieve **payment tokens** and NFT traits.\n- Ensure **API request validity** and structured responses.\n\n---\n\n## \ud83d\udd17 **Nodes & Functions**\n\n### **1\ufe0f\u20e3 NFT Agent Brain**\n- **Type**: AI Language Model (GPT-4o Mini)\n- **Purpose**: Processes NFT-related API requests and interprets OpenSea data queries.\n\n### **2\ufe0f\u20e3 NFT Agent Memory**\n- **Type**: AI Memory Buffer\n- **Purpose**: Stores session data to maintain context across multiple queries.\n\n### **3\ufe0f\u20e3 OpenSea Get Account**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/accounts/{address_or_username}`\n- **Function**: Fetches an OpenSea **user profile**, including bio, social links, and profile image.\n\n### **4\ufe0f\u20e3 OpenSea Get Collection**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/collections/{collection_slug}`\n- **Function**: Retrieves **collection metadata**, fees, and traits.\n\n### **5\ufe0f\u20e3 OpenSea Get Collections**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/collections`\n- **Function**: Fetches **a list of NFT collections**, filtered by chain, creator, visibility, or ranking.\n\n### **6\ufe0f\u20e3 OpenSea Get Contract**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/chain/{chain}/contract/{address}`\n- **Function**: Retrieves **NFT collection smart contract details**.\n\n### **7\ufe0f\u20e3 OpenSea Get NFT**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/chain/{chain}/contract/{address}/nfts/{identifier}`\n- **Function**: Fetches **metadata, traits, rarity, and ownership** of a single NFT.\n\n### **8\ufe0f\u20e3 OpenSea Get NFTs by Account**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/chain/{chain}/account/{address}/nfts`\n- **Function**: Retrieves **all NFTs owned** by a wallet address.\n\n### **9\ufe0f\u20e3 OpenSea Get NFTs by Collection**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/collection/{collection_slug}/nfts`\n- **Function**: Fetches **all NFTs in a collection**.\n\n### **\ud83d\udd1f OpenSea Get NFTs by Contract**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/chain/{chain}/contract/{address}/nfts`\n- **Function**: Retrieves **NFTs linked to a smart contract**.\n\n### **11\ufe0f\u20e3 OpenSea Get Payment Token**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/chain/{chain}/payment_token/{address}`\n- **Function**: Fetches details of a **cryptocurrency/token** used for NFT transactions.\n\n### **12\ufe0f\u20e3 OpenSea Get Traits**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/traits/{collection_slug}`\n- **Function**: Retrieves **trait categories and attributes** for a given collection.\n\n---\n\n"
},
"typeVersion": 1
},
{
"id": "c35f3855-5167-4230-8017-f60297d1dcec",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1540,
-1240
],
"parameters": {
"color": 5,
"width": 1000,
"height": 1060,
"content": "## \ud83d\udccc **How to Use the Workflow**\n\n### \u2705 **Step 1: Input Data**\n- Provide the necessary parameters like `collection_slug`, `chain`, `address`, or `identifier`.\n\n### \u2705 **Step 2: Execute API Calls**\n- The workflow retrieves and structures **NFT ownership, metadata, and analytics**.\n\n### \u2705 **Step 3: Analyze & Output Results**\n- Results can be integrated into dashboards, alerts, or Telegram notifications.\n\n---\n\n## \u26a0\ufe0f **Common API Queries & Examples**\n\n### **1\ufe0f\u20e3 Get OpenSea User Profile**\n```plaintext\nGET https://api.opensea.io/api/v2/accounts/0xA5f49655E6814d9262fb656d92f17D7874d5Ac7E\n```\n\n### **2\ufe0f\u20e3 Get Collection Details**\n```plaintext\nGET https://api.opensea.io/api/v2/collections/boredapeyachtclub\n```\n\n### **3\ufe0f\u20e3 Get NFT Metadata**\n```plaintext\nGET https://api.opensea.io/api/v2/chain/ethereum/contract/0xABCDEF.../nfts/1234\n```\n\n### **4\ufe0f\u20e3 Get All NFTs Owned by a Wallet**\n```plaintext\nGET https://api.opensea.io/api/v2/chain/ethereum/account/0x123.../nfts\n```\n\n### **5\ufe0f\u20e3 Get Payment Token Details**\n```plaintext\nGET https://api.opensea.io/api/v2/chain/ethereum/payment_token/0xABC...DEF\n```\n\n---\n\n"
},
"typeVersion": 1
},
{
"id": "c96fc837-37b2-4351-9175-7b52fba1e38b",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
2940,
-1240
],
"parameters": {
"color": 3,
"width": 840,
"height": 480,
"content": "## \u26a1 **Error Handling & Troubleshooting**\n| **Error Code** | **Description** |\n|--------------|----------------|\n| `200` | Success |\n| `400` | Bad Request (Invalid input) |\n| `404` | Not Found (Incorrect slug, address, or identifier) |\n| `500` | Server Error (OpenSea API issue) |\n\n### \ud83d\udd39 **Fixing Common Errors**\n- Ensure correct **wallet address**, **NFT identifier**, or **collection slug**.\n- Always use `\"matic\"` instead of `\"polygon\"` for chain input.\n- If OpenSea API is **down**, retry after some time.\n\n---\n\n## \ud83d\ude80 **Connect with Me for Support**\nIf you need assistance, custom OpenSea NFT insights, or automation support, feel free to connect with me on LinkedIn:\n\n\ud83c\udf10 **Don Jayamaha \u2013 LinkedIn** \n\ud83d\udd17 [http://linkedin.com/in/donjayamahajr](http://linkedin.com/in/donjayamahajr)"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "1bdf4330-2c81-47dc-8729-1737eb19cd40",
"connections": {
"NFT Agent Brain": {
"ai_languageModel": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"OpenSea Get NFT": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"NFT Agent Memory": {
"ai_memory": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"OpenSea Get Traits": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"OpenSea Get Account": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"OpenSea Get Contract": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"OpenSea Get Collection": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Workflow Input Trigger": {
"main": [
[
{
"node": "OpenSea NFT Agent",
"type": "main",
"index": 0
}
]
]
},
"OpenSea Get Collections": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"OpenSea Get Payment Token": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"OpenSea Get NFTs by Account": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"OpenSea Get NFTs by Contract": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"OpenSea Get NFTs by Collection": {
"ai_tool": [
[
{
"node": "OpenSea NFT Agent",
"type": "ai_tool",
"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.
httpHeaderAuthopenAiApi
About this workflow
OpenSea NFT Agent Tool. Uses lmChatOpenAi, memoryBufferWindow, agent, executeWorkflowTrigger. Event-driven trigger; 17 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →