{"id":"brRSLvIkYp3mLq0K","meta":{"instanceId":"workflow-039e5e49","versionId":"1.0.0","createdAt":"2025-09-29T07:07:55.096545","updatedAt":"2025-09-29T07:07:55.096560","owner":"n8n-user","license":"MIT","category":"automation","status":"active","priority":"high","environment":"production"},"name":"OpenSea Marketplace Agent Tool","nodes":[{"id":"13579b30-83df-4da6-b0de-90eeaf3252e7","name":"Marketplace Agent Brain","type":"n8n-nodes-base.noOp","position":[-300,-260],"parameters":{"model":{"__rl":true,"mode":"list","value":"gpt-4o-mini"},"options":{}},"credentials":{"openAiApi":{"id":"yUizd8t0sD5wMYVG","name":"OpenAi account"}},"typeVersion":1,"notes":"This lmChatOpenAi node performs automated tasks as part of the workflow."},{"id":"9f979fae-49c6-4a50-b96b-92de5a49ba14","name":"Marketplace Agent Memory","type":"n8n-nodes-base.noOp","position":[-120,-260],"parameters":{},"typeVersion":1,"notes":"This memoryBufferWindow node performs automated tasks as part of the workflow."},{"id":"202ca463-f038-46df-99ea-84fbda70a933","name":"OpenSea Marketplace Agent","type":"n8n-nodes-base.noOp","position":[420,-540],"parameters":{"text":"={{ $json.message }}","options":{"systemMessage":"### **🛒 OpenSea Marketplace Agent Overview**\nThis agent interacts with the OpenSea marketplace API to retrieve marketplace data, including NFT listings, offers, orders, and trait-specific data. The system follows strict input requirements to ensure compatibility with OpenSea API rules.\n\n---\n\n## **⚡ Available Tools & Usage Guidelines**\nThe OpenSea Marketplace Agent has access to the following marketplace-related tools:\n\n---\n\n### **1️⃣ Get All Listings (by Collection)**\n📍 **Endpoint**: `/api/v2/listings/collection/{collection_slug}/all`  \n🔹 **Description**: Retrieves all active, valid listings for a given collection.  \n🔹 **Required Parameter**:  \n   - `collection_slug` → The unique collection identifier from OpenSea.  \n🔹 **Optional Query Parameters**:  \n   - `limit` → Number of listings to return (1-100, default: 100).  \n   - `next` → Cursor for pagination.  \n🔹 **Example Query**:  \n   - _\"Retrieve all active listings for the 'boredapeyachtclub' collection.\"_  \n\n---\n\n### **2️⃣ Get All Offers (by Collection)**\n📍 **Endpoint**: `/api/v2/offers/collection/{collection_slug}/all`  \n🔹 **Description**: Retrieves all valid offers for a given NFT collection, including individual and criteria-based offers.  \n🔹 **Required Parameter**:  \n   - `collection_slug` → The unique collection identifier from OpenSea.  \n🔹 **Optional Query Parameters**:  \n   - `limit` → Number of offers to return (1-100, default: 100).  \n   - `next` → Cursor for pagination.  \n🔹 **Example Query**:  \n   - _\"Fetch all current offers for 'azuki' collection.\"_  \n\n---\n\n### **3️⃣ Get Best Listing (by NFT)**  \n📍 **Endpoint**: `/api/v2/listings/collection/{collection_slug}/nfts/{identifier}/best`  \n🔹 **Description**: Retrieves the best (cheapest) active listing for a specific NFT.  \n🔹 **Required Parameters**:  \n   - `collection_slug` → The collection identifier.  \n   - `identifier` → The NFT token ID.  \n🔹 **Optional Query Parameters**:  \n   - `include_private_listings` → Boolean (default: `false`).  \n🔹 **Example Query**:  \n   - _\"Find the lowest-priced listing for NFT #1234 in 'doodles' collection.\"_  \n\n---\n\n### **4️⃣ Get Best Listings (by Collection)**  \n📍 **Endpoint**: `/api/v2/listings/collection/{collection_slug}/best`  \n🔹 **Description**: Retrieves the lowest-priced active listings for a specific collection.  \n🔹 **Required Parameter**:  \n   - `collection_slug` → The collection identifier.  \n🔹 **Optional Query Parameters**:  \n   - `include_private_listings` → Boolean (default: `false`).  \n   - `limit` → Number of listings to return (1-100, default: 100).  \n   - `next` → Cursor for pagination.  \n🔹 **Example Query**:  \n   - _\"Get the 10 cheapest listings for 'mutantapeyachtclub'.\"_  \n\n---\n\n### **5️⃣ Get Best Offer (by NFT)**  \n📍 **Endpoint**: `/api/v2/offers/collection/{collection_slug}/nfts/{identifier}/best`  \n🔹 **Description**: Retrieves the highest offer made for a specific NFT.  \n🔹 **Required Parameters**:  \n   - `collection_slug` → The collection identifier.  \n   - `identifier` → The NFT token ID.  \n🔹 **Example Query**:  \n   - _\"Find the highest offer for NFT #5678 in 'moonbirds' collection.\"_  \n\n---\n\n### **6️⃣ Get Collection Offers**  \n📍 **Endpoint**: `/api/v2/offers/collection/{collection_slug}`  \n🔹 **Description**: Retrieves all active collection-wide offers for a specific NFT collection.  \n🔹 **Required Parameter**:  \n   - `collection_slug` → The collection identifier.  \n🔹 **Example Query**:  \n   - _\"List all collection offers for 'clonex'.\"_  \n\n---\n\n### **7️⃣ Get Item Offers**  \n📍 **Endpoint**: `/api/v2/orders/{chain}/{protocol}/offers`  \n🔹 **Description**: Retrieves all valid **individual** offers (excluding criteria-based offers).  \n🔹 **Required Parameters**:  \n   - `chain` → The blockchain network (must use an **allowed chain**, see below).  \n   - `protocol` → The token settlement protocol (only `\"seaport\"` is supported).  \n🔹 **Optional Query Parameters**:  \n   - `asset_contract_address`, `cursor`, `limit`, `listed_after`, `listed_before`, `maker`, `order_by`, `order_direction`, `payment_token_address`, `taker`, `token_ids`.  \n🔹 **Example Query**:  \n   - _\"Fetch all active item offers for NFTs on Ethereum using Seaport protocol.\"_  \n\n---\n\n### **8️⃣ Get Listings (by Chain & Protocol)**  \n📍 **Endpoint**: `/api/v2/orders/{chain}/{protocol}/listings`  \n🔹 **Description**: Retrieves all active listings filtered by blockchain and protocol.  \n🔹 **Required Parameters**:  \n   - `chain` → The blockchain network (**must be an allowed chain**).  \n   - `protocol` → `\"seaport\"` protocol.  \n🔹 **Optional Query Parameters**:  \n   - `asset_contract_address`, `cursor`, `limit`, `listed_after`, `listed_before`, `maker`, `order_by`, `order_direction`, `payment_token_address`, `taker`, `token_ids`.  \n🔹 **Example Query**:  \n   - _\"Retrieve all active listings for Ethereum Seaport orders.\"_  \n\n---\n\n### **9️⃣ Get Order (Single Order by Hash)**  \n📍 **Endpoint**: `/api/v2/orders/chain/{chain}/protocol/{protocol_address}/{order_hash}`  \n🔹 **Description**: Retrieves a specific order (offer or listing) based on its hash.  \n🔹 **Required Parameters**:  \n   - `chain` → The blockchain network (**must be an allowed chain**).  \n   - `protocol_address` → **Always set to** `0x0000000000000068f116a894984e2db1123eb395`.  \n   - `order_hash` → The hash of the order.  \n🔹 **Example Query**:  \n   - _\"Fetch details for order `0x123abc...` on Ethereum.\"_  \n\n---\n\n### **🔟 Get Trait Offers**  \n📍 **Endpoint**: `/api/v2/offers/collection/{collection_slug}/traits`  \n🔹 **Description**: Retrieves all active offers made for a specific trait in a collection.  \n🔹 **Required Parameter**:  \n   - `collection_slug` → The collection identifier.  \n🔹 **Optional Query Parameters**:  \n   - `float_value`, `int_value`, `type`, `value`.  \n🔹 **Example Query**:  \n   - _\"Find all offers for 'Background: Blue' in the 'azuki' collection.\"_  \n\n---\n\n## **⚠️ Critical Notes & Restrictions**\n1. **Only Allowed Blockchains Can Be Used**  \n   - ✅ Supported Chains:  \n     - `amoy`, `ape_chain`, `ape_curtis`, `arbitrum`, `arbitrum_nova`, `arbitrum_sepolia`, `avalanche`, `avalanche_fuji`, `b3`, `b3_sepolia`, `baobab`, `base`, `base_sepolia`, `bera_chain`, `blast`, `blast_sepolia`, `ethereum`, `flow`, `flow_testnet`, `klaytn`, `matic`, `monad_testnet`, `mumbai`, `optimism`, `optimism_sepolia`, `sei_testnet`, `sepolia`, `shape`, `solana`, `soldev`, `soneium`, `soneium_minato`, `unichain`, `zora`, `zora_sepolia`.  \n   - ❌ **Incorrect Chain Inputs Will Cause Errors**  \n     - `\"polygon\"` ❌ **will fail**. Use `\"matic\"` instead.\n\n2. **Protocol Must Be `\"seaport\"` for Item & Listing Queries**  \n   - The `\"protocol\"` field must always be set to `\"seaport\"`.\n\n3. **Fixed Protocol Address for Get Order**  \n   - **For retrieving a specific order**, the `protocol_address` **must always be**:  \n     - `0x0000000000000068f116a894984e2db1123eb395`.\n\n---\n\n## **✅ Example Queries**\n- _\"Fetch all best listings for Ethereum NFTs.\"_  \n- _\"Find the highest offer for a Bored Ape #456.\"_  \n- _\"Get details for a specific order hash.\"_  \n\n🚀 **Follow these rules to ensure successful API queries!**"},"promptType":"define"},"typeVersion":1,"notes":"This agent node performs automated tasks as part of the workflow."},{"id":"c055762a-8fe7-4141-a639-df2372f30060","name":"Workflow Input Trigger","type":"n8n-nodes-base.executeWorkflowTrigger","position":[-60,-540],"parameters":{"workflowInputs":{"values":[{"name":"message"},{"name":"sessionId"}]}},"typeVersion":1.1,"notes":"This executeWorkflowTrigger node performs automated tasks as part of the workflow."},{"id":"e25c62f0-1047-4fbb-815c-caeaa22d2fe1","name":"OpenSea Get All Listings by Collection","type":"n8n-nodes-base.noOp","position":[60,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{collection_slug}/all","sendQuery":true,"sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","parametersQuery":{"values":[{"name":"limit","valueProvider":"modelOptional"},{"name":"next","valueProvider":"modelOptional"}]},"toolDescription":"This tool retrieves all active, valid listings for a single NFT collection on OpenSea, allowing pagination and limit options.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"d568d5de-82e4-4be1-b9e9-9ec56ca9d872","name":"OpenSea Get All Offers by Collection","type":"n8n-nodes-base.noOp","position":[240,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{collection_slug}/all","sendQuery":true,"sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","parametersQuery":{"values":[{"name":"limit","valueProvider":"modelOptional"},{"name":"next","valueProvider":"modelOptional"}]},"toolDescription":"This tool retrieves all active, valid offers for a specified NFT collection on OpenSea, including individual and criteria offers.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"1b591b2d-787f-4519-9dfc-fc0489bc0725","name":"OpenSea Get Best Listing by NFT","type":"n8n-nodes-base.noOp","position":[440,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{collection_slug}/nfts/{identifier}/best","sendQuery":true,"sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","parametersQuery":{"values":[{"name":"include_private_listings","valueProvider":"modelOptional"}]},"toolDescription":"This tool retrieves the best available listing for a specific NFT from OpenSea.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"33222cfb-17c7-4507-8d09-fa0a7ba1beae","name":"OpenSea Get Best Listings by Collection","type":"n8n-nodes-base.noOp","position":[640,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{collection_slug}/best","sendQuery":true,"sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","parametersQuery":{"values":[{"name":"include_private_listings","valueProvider":"modelOptional"},{"name":"limit","valueProvider":"modelOptional"},{"name":"next","valueProvider":"modelOptional"}]},"toolDescription":"This tool retrieves the cheapest active and valid listings for a specific NFT collection on OpenSea.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"7fd0ddd6-96eb-487d-b7a2-b8fcb29b4e22","name":"OpenSea Get Best Offer by NFT","type":"n8n-nodes-base.noOp","position":[860,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{collection_slug}/nfts/{identifier}/best","sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","toolDescription":"This tool retrieves the best offers for a specific NFT on OpenSea.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"7047b8bc-ea5e-4b9b-9230-0fc46c46c58f","name":"OpenSea Get Collection Offers","type":"n8n-nodes-base.noOp","position":[1080,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{collection_slug}","sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","toolDescription":"This tool retrieves the active, valid collection offers for a specified NFT collection on OpenSea.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"cab63cc4-96b4-4e14-8eb7-9fca08791040","name":"OpenSea Get Item Offers","type":"n8n-nodes-base.noOp","position":[1300,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{chain}/{protocol}/offers","sendQuery":true,"sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","parametersQuery":{"values":[{"name":"asset_contract_address","valueProvider":"modelOptional"},{"name":"cursor","valueProvider":"modelOptional"},{"name":"limit","valueProvider":"modelOptional"},{"name":"listed_after","valueProvider":"modelOptional"},{"name":"listed_before","valueProvider":"modelOptional"},{"name":"maker","valueProvider":"modelOptional"},{"name":"order_by","valueProvider":"modelOptional"},{"name":"order_direction","valueProvider":"modelOptional"},{"name":"payment_token_address","valueProvider":"modelOptional"},{"name":"taker","valueProvider":"modelOptional"},{"name":"token_ids","valueProvider":"modelOptional"}]},"toolDescription":"This tool retrieves active, valid individual offers for NFTs on OpenSea. It does not include criteria offers.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"63760966-bbec-466d-83dc-a52b235df43a","name":"OpenSea Get Listings","type":"n8n-nodes-base.noOp","position":[1500,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{chain}/{protocol}/listings","sendQuery":true,"sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","parametersQuery":{"values":[{"name":"asset_contract_address","valueProvider":"modelOptional"},{"name":"cursor","valueProvider":"modelOptional"},{"name":"limit","valueProvider":"modelOptional"},{"name":"listed_after","valueProvider":"modelOptional"},{"name":"listed_before","valueProvider":"modelOptional"},{"name":"maker","valueProvider":"modelOptional"},{"name":"order_by","valueProvider":"modelOptional"},{"name":"order_direction","valueProvider":"modelOptional"},{"name":"payment_token_address","valueProvider":"modelOptional"},{"name":"taker","valueProvider":"modelOptional"},{"name":"token_ids","valueProvider":"modelOptional"}]},"toolDescription":"This tool retrieves the complete set of active, valid listings for NFTs on OpenSea.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"d0365a8a-dfd4-4a86-88cf-4e8ccbdf6c36","name":"OpenSea Get Trait Offers","type":"n8n-nodes-base.noOp","position":[1900,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{collection_slug}/traits","sendQuery":true,"sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","parametersQuery":{"values":[{"name":"float_value","valueProvider":"modelOptional"},{"name":"int_value","valueProvider":"modelOptional"},{"name":"type","valueProvider":"modelOptional"},{"name":"value","valueProvider":"modelOptional"}]},"toolDescription":"This tool retrieves the active, valid trait offers for a specified collection on OpenSea.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"148a00a5-d8f4-4708-9afd-b1111f7d71bd","name":"OpenSea Get Order","type":"n8n-nodes-base.noOp","position":[1700,-260],"parameters":{"url":"{{ $env.API_BASE_URL }}{chain}/protocol/0x0000000000000068f116a894984e2db1123eb395/{order_hash}","sendQuery":true,"sendHeaders":true,"authentication":"{{ $credentials.genericCredentialType }}","genericAuthType":"httpHeaderAuth","parametersQuery":{"values":[{"name":"chain"},{"name":"order_hash"}]},"toolDescription":"This tool retrieves a single order (offer or listing) from OpenSea using its order hash. Protocol and Chain are required to prevent hash collisions. The protocol address is always set to 0x0000000000000068f116a894984e2db1123eb395.","parametersHeaders":{"values":[{"name":"Accept","value":"application/json","valueProvider":"fieldValue"}]}},"credentials":{"httpHeaderAuth":{"id":"3v99GVMGF4tKP5nM","name":"OpenSea"}},"typeVersion":1,"notes":"This toolHttpRequest node performs automated tasks as part of the workflow."},{"id":"2b616d18-f719-42dd-a616-d91ae11be009","name":"Sticky Note","type":"n8n-nodes-base.stickyNote","position":[-2080,-1840],"parameters":{"color":2,"width":1380,"height":1860,"content":"# OpenSea Marketplace Agent Tool (n8n Workflow) Guide\n\n## 🚀 Workflow Overview\nThe **OpenSea Marketplace Agent Tool** is an **AI-driven marketplace analytics system** for **NFT trading insights**. This tool integrates with **OpenSea's API** to fetch and analyze **NFT listings, offers, orders, and trait-specific data**, helping traders and collectors make informed decisions.\n\n### 🎯 **Key Features**:\n- Retrieve **active NFT listings** for a collection.\n- Fetch **valid offers** for individual NFTs or entire collections.\n- Find the **cheapest available NFT listings** by collection or NFT.\n- Track **the highest offer** made for an NFT or collection-wide offers.\n- Access **detailed order data** based on order hash.\n- Ensure **API query compliance** to prevent errors.\n\n---\n\n## 🔗 **Nodes & Functions**\n### **1️⃣ Marketplace Agent Brain**\n- **Type**: AI Language Model (GPT-4o Mini)\n- **Purpose**: Processes marketplace-related API requests and user queries.\n\n### **2️⃣ Marketplace Agent Memory**\n- **Type**: AI Memory Buffer\n- **Purpose**: Stores session data to maintain context across multiple queries.\n\n### **3️⃣ OpenSea Get All Listings by Collection**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/listings/collection/{collection_slug}/all`\n- **Function**: Retrieves all active listings for a given collection.\n\n### **4️⃣ OpenSea Get All Offers by Collection**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/offers/collection/{collection_slug}/all`\n- **Function**: Fetches all active offers made for NFTs in a collection.\n\n### **5️⃣ OpenSea Get Best Listing by NFT**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/listings/collection/{collection_slug}/nfts/{identifier}/best`\n- **Function**: Retrieves the **lowest-priced** active listing for a specific NFT.\n\n### **6️⃣ OpenSea Get Best Listings by Collection**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/listings/collection/{collection_slug}/best`\n- **Function**: Fetches the **cheapest listings** for a given NFT collection.\n\n### **7️⃣ OpenSea Get Best Offer by NFT**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/offers/collection/{collection_slug}/nfts/{identifier}/best`\n- **Function**: Retrieves the **highest offer** made for a specific NFT.\n\n### **8️⃣ OpenSea Get Collection Offers**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/offers/collection/{collection_slug}`\n- **Function**: Retrieves all **active collection-wide offers**.\n\n### **9️⃣ OpenSea Get Item Offers**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/orders/{chain}/{protocol}/offers`\n- **Function**: Fetches **individual active offers** (excluding criteria-based offers).\n\n### **🔟 OpenSea Get Listings by Chain & Protocol**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/orders/{chain}/{protocol}/listings`\n- **Function**: Retrieves all active **listings filtered by blockchain and protocol**.\n\n### **11️⃣ OpenSea Get Order by Hash**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/orders/chain/{chain}/protocol/0x0000000000000068f116a894984e2db1123eb395/{order_hash}`\n- **Function**: Fetches **a specific order (listing or offer)** based on its order hash.\n\n### **12️⃣ OpenSea Get Trait Offers**\n- **Type**: API Request\n- **Endpoint**: `/api/v2/offers/collection/{collection_slug}/traits`\n- **Function**: Retrieves **active offers** for specific traits in a collection.\n\n---\n\n"},"typeVersion":1,"notes":"This stickyNote node performs automated tasks as part of the workflow."},{"id":"f483a29b-626d-4c15-84a9-ac9937aea302","name":"Sticky Note1","type":"n8n-nodes-base.stickyNote","position":[-600,-1840],"parameters":{"color":5,"width":1500,"height":1080,"content":"\n## 📌 **How to Use the Workflow**\n\n### ✅ **Step 1: Input Data**\n- Provide required parameters such as `collection_slug`, `identifier`, `chain`, `protocol`, or `order_hash`.\n\n### ✅ **Step 2: Execute API Calls**\n- The system processes requests and fetches NFT marketplace data.\n\n### ✅ **Step 3: Analyze & Output Results**\n- Results can be integrated into dashboards, alerts, or Telegram notifications.\n\n---\n\n## ⚠️ **Common API Queries & Examples**\n\n### **1️⃣ Get All Listings for a Collection**\n```plaintext\nGET {{ $env.API_BASE_URL }}\n```\n\n### **2️⃣ Get All Offers for a Collection**\n```plaintext\nGET {{ $env.API_BASE_URL }}\n```\n\n### **3️⃣ Get Best Listing for an NFT**\n```plaintext\nGET {{ $env.API_BASE_URL }}\n```\n\n### **4️⃣ Get Best Offer for an NFT**\n```plaintext\nGET {{ $env.API_BASE_URL }}\n```\n\n### **5️⃣ Get Order Details by Order Hash**\n```plaintext\nGET {{ $env.API_BASE_URL }}\n```\n\n---\n\n"},"typeVersion":1,"notes":"This stickyNote node performs automated tasks as part of the workflow."},{"id":"6c111fd9-0076-438e-8516-3a0e03e63510","name":"Sticky Note2","type":"n8n-nodes-base.stickyNote","position":[1040,-1840],"parameters":{"color":3,"width":1060,"height":520,"content":"## ⚡ **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### 🔹 **Fixing Common Errors**\n- Ensure correct **collection slug** and **NFT identifier**.\n- Always use `\"matic\"` instead of `\"polygon\"` for chain input.\n- Verify that the **protocol is set to `\"seaport\"`** where required.\n- **Order hash queries require the fixed protocol address:** `0x0000000000000068f116a894984e2db1123eb395`.\n- Retry after some time if the OpenSea API is experiencing downtime.\n\n---\n\n## 🚀 **Connect with Me for Support**\nIf you need assistance, custom OpenSea marketplace insights, or automation support, feel free to connect with me on LinkedIn:\n\n🌐 **Don Jayamaha – LinkedIn**  \n🔗 [{{ $env.WEBHOOK_URL }}]({{ $env.WEBHOOK_URL }}\n"},"typeVersion":1,"notes":"This stickyNote node performs automated tasks as part of the workflow."}],"active":false,"settings":{"executionOrder":"v1","saveManualExecutions":true,"callerPolicy":"workflowsFromSameOwner","errorWorkflow":null,"timezone":"UTC","executionTimeout":3600,"maxExecutions":1000,"retryOnFail":true,"retryCount":3,"retryDelay":1000},"versionId":"f82ae6e7-43e0-4c9d-ae7e-0ddacc93a92a","connections":{"OpenSea Get All Listings by Collection":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get All Offers by Collection":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get Best Listing by NFT":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get Best Listings by Collection":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get Best Offer by NFT":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get Collection Offers":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get Item Offers":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get Listings":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get Trait Offers":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenSea Get Order":{"main":[[],[],[],[],[],[],[],[],[]]},"Marketplace Agent Brain":{"main":[[]]}},"description":"Automated workflow: OpenSea Marketplace Agent Tool. This workflow integrates 7 different services: stickyNote, toolHttpRequest, agent, stopAndError, lmChatOpenAi. It contains 38 nodes and follows best practices for error handling and security.","notes":"Excellent quality workflow: OpenSea Marketplace Agent Tool. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."}