{
  "openapi": "3.1.0",
  "info": {
    "title": "Hashtag Web3 Public API",
    "version": "1.0.0",
    "description": "Public REST API for Hashtag Web3 (hashtagweb3.com). Search live Web3 jobs, crypto industry news, global blockchain conferences & hackathons, and the 200+ term Web3 glossary. Optimized for LLM agents, automated scripts, and developer integrations.",
    "contact": {
      "name": "Hashtag Web3 Developer Support",
      "url": "https://hashtagweb3.com/developers",
      "email": "contact@hashtagweb3.com"
    },
    "license": {
      "name": "MIT",
      "url": "https://opensource.org/licenses/MIT"
    }
  },
  "servers": [
    {
      "url": "https://hashtagweb3.com",
      "description": "Production server"
    }
  ],
  "paths": {
    "/api/jobs": {
      "get": {
        "operationId": "listJobs",
        "summary": "List and Search Web3 Jobs",
        "description": "Returns verified, active Web3, crypto, DeFi, and blockchain job postings. Supports full-text search, tag filtering, company filtering, and pagination.",
        "parameters": [
          {
            "name": "search",
            "in": "query",
            "required": false,
            "description": "Keyword search across job title, company name, tags, and description (e.g. 'Solidity', 'Frontend', 'Remote', 'Security').",
            "schema": {
              "type": "string",
              "example": "Solidity"
            }
          },
          {
            "name": "tag",
            "in": "query",
            "required": false,
            "description": "Filter by specific technology or ecosystem tag (e.g. 'Ethereum', 'Solana', 'DeFi', 'Rust', 'Marketing').",
            "schema": {
              "type": "string",
              "example": "Ethereum"
            }
          },
          {
            "name": "company",
            "in": "query",
            "required": false,
            "description": "Filter by company name (e.g. 'Coinbase', 'Uniswap Labs', 'Binance').",
            "schema": {
              "type": "string",
              "example": "Coinbase"
            }
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "description": "Maximum number of jobs to return (default: 50, max: 200).",
            "schema": {
              "type": "integer",
              "default": 50,
              "minimum": 1,
              "maximum": 200,
              "example": 20
            }
          },
          {
            "name": "offset",
            "in": "query",
            "required": false,
            "description": "Number of items to skip for pagination (default: 0).",
            "schema": {
              "type": "integer",
              "default": 0,
              "minimum": 0,
              "example": 0
            }
          }
        ],
        "responses": {
          "200": {
            "description": "A paginated list of Web3 job postings.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/JobListResponse"
                }
              }
            }
          },
          "400": {
            "description": "Bad Request — Invalid query parameters.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          },
          "500": {
            "description": "Internal Server Error.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          }
        }
      }
    },
    "/api/news": {
      "get": {
        "operationId": "listNews",
        "summary": "List Web3 & Crypto Industry News",
        "description": "Retrieves real-time aggregated crypto and blockchain news headlines from premier industry publications including CoinDesk, Cointelegraph, and Decrypt.",
        "parameters": [
          {
            "name": "search",
            "in": "query",
            "required": false,
            "description": "Filter news headlines by keyword (e.g. 'Bitcoin', 'DeFi', 'ETF', 'Security').",
            "schema": {
              "type": "string",
              "example": "Ethereum"
            }
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "description": "Maximum number of news articles to return (default: 30, max: 100).",
            "schema": {
              "type": "integer",
              "default": 30,
              "minimum": 1,
              "maximum": 100,
              "example": 15
            }
          }
        ],
        "responses": {
          "200": {
            "description": "List of recent crypto news headlines.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/NewsListResponse"
                }
              }
            }
          },
          "400": {
            "description": "Bad Request.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          },
          "500": {
            "description": "Internal Server Error.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          }
        }
      }
    },
    "/api/events": {
      "get": {
        "operationId": "listEvents",
        "summary": "List Web3 Conferences & Hackathons",
        "description": "Returns upcoming global Web3 conferences, crypto summits, developer hackathons, and virtual meetups.",
        "parameters": [
          {
            "name": "search",
            "in": "query",
            "required": false,
            "description": "Search by event name, city, country, or description.",
            "schema": {
              "type": "string",
              "example": "Hackathon"
            }
          },
          {
            "name": "type",
            "in": "query",
            "required": false,
            "description": "Filter by event format type.",
            "schema": {
              "type": "string",
              "enum": ["conference", "hackathon", "meetup", "workshop", "online"],
              "example": "conference"
            }
          },
          {
            "name": "country",
            "in": "query",
            "required": false,
            "description": "Filter by country (e.g. 'United States', 'Singapore', 'United Arab Emirates').",
            "schema": {
              "type": "string",
              "example": "United States"
            }
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "description": "Maximum number of events to return (default: 50, max: 200).",
            "schema": {
              "type": "integer",
              "default": 50,
              "minimum": 1,
              "maximum": 200,
              "example": 25
            }
          }
        ],
        "responses": {
          "200": {
            "description": "List of upcoming Web3 events.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/EventListResponse"
                }
              }
            }
          },
          "400": {
            "description": "Bad Request.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          },
          "500": {
            "description": "Internal Server Error.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          }
        }
      }
    },
    "/api/glossary": {
      "get": {
        "operationId": "listGlossaryTerms",
        "summary": "Search Web3 & Blockchain Glossary",
        "description": "Query 200+ technical Web3 glossary terms across consensus, DeFi, cryptography, Layer 2 scaling, and tokenomics.",
        "parameters": [
          {
            "name": "search",
            "in": "query",
            "required": false,
            "description": "Search term name, definition, or synonyms (e.g. 'Zero Knowledge', 'AMM', 'Staking').",
            "schema": {
              "type": "string",
              "example": "Zero Knowledge"
            }
          },
          {
            "name": "category",
            "in": "query",
            "required": false,
            "description": "Filter by glossary category.",
            "schema": {
              "type": "string",
              "example": "DeFi"
            }
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "description": "Maximum number of terms to return (default: 50, max: 250).",
            "schema": {
              "type": "integer",
              "default": 50,
              "example": 20
            }
          }
        ],
        "responses": {
          "200": {
            "description": "List of matching glossary terms.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/GlossaryListResponse"
                }
              }
            }
          },
          "400": {
            "description": "Bad Request.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          },
          "500": {
            "description": "Internal Server Error.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Job": {
        "type": "object",
        "required": ["id", "title", "company", "date", "link"],
        "properties": {
          "id": { "type": "string", "example": "job-1049" },
          "title": { "type": "string", "example": "Senior Solidity Engineer" },
          "company": { "type": "string", "example": "Uniswap Labs" },
          "date": { "type": "string", "format": "date-time", "example": "2026-08-24T10:00:00Z" },
          "link": { "type": "string", "format": "uri", "example": "https://hashtagweb3.com/jobs" },
          "tags": {
            "type": "array",
            "items": { "type": "string" },
            "example": ["Solidity", "Ethereum", "DeFi", "Remote"]
          },
          "location": { "type": "string", "example": "Remote" },
          "salary": { "type": "string", "example": "$160,000 - $220,000" }
        }
      },
      "JobListResponse": {
        "type": "object",
        "required": ["data", "meta"],
        "properties": {
          "data": {
            "type": "array",
            "items": { "$ref": "#/components/schemas/Job" }
          },
          "meta": {
            "type": "object",
            "required": ["total", "limit", "offset", "count"],
            "properties": {
              "total": { "type": "integer", "example": 3200 },
              "limit": { "type": "integer", "example": 50 },
              "offset": { "type": "integer", "example": 0 },
              "count": { "type": "integer", "example": 50 }
            }
          }
        }
      },
      "NewsItem": {
        "type": "object",
        "required": ["title", "link", "pubDate", "source"],
        "properties": {
          "title": { "type": "string", "example": "Ethereum Layer 2 Activity Reaches Record High" },
          "link": { "type": "string", "format": "uri", "example": "https://cointelegraph.com/..." },
          "pubDate": { "type": "string", "format": "date-time", "example": "2026-08-24T14:30:00Z" },
          "source": { "type": "string", "example": "Cointelegraph" },
          "contentSnippet": { "type": "string", "example": "Daily active addresses across major rollups surged..." }
        }
      },
      "NewsListResponse": {
        "type": "object",
        "required": ["data", "meta"],
        "properties": {
          "data": {
            "type": "array",
            "items": { "$ref": "#/components/schemas/NewsItem" }
          },
          "meta": {
            "type": "object",
            "required": ["total", "count"],
            "properties": {
              "total": { "type": "integer", "example": 50 },
              "count": { "type": "integer", "example": 30 }
            }
          }
        }
      },
      "Web3Event": {
        "type": "object",
        "required": ["id", "name", "startDate", "location", "url"],
        "properties": {
          "id": { "type": "string", "example": "ethdenver-2026" },
          "name": { "type": "string", "example": "ETHDenver 2026" },
          "description": { "type": "string", "example": "The largest Web3 #BUIDLathon and community gathering in the world." },
          "startDate": { "type": "string", "example": "2026-02-23" },
          "endDate": { "type": "string", "example": "2026-03-02" },
          "city": { "type": "string", "example": "Denver" },
          "country": { "type": "string", "example": "United States" },
          "location": { "type": "string", "example": "Denver, United States" },
          "url": { "type": "string", "format": "uri", "example": "https://hashtagweb3.com/events/ethdenver-2026" }
        }
      },
      "EventListResponse": {
        "type": "object",
        "required": ["data", "meta"],
        "properties": {
          "data": {
            "type": "array",
            "items": { "$ref": "#/components/schemas/Web3Event" }
          },
          "meta": {
            "type": "object",
            "required": ["total", "count"],
            "properties": {
              "total": { "type": "integer", "example": 3000 },
              "count": { "type": "integer", "example": 50 }
            }
          }
        }
      },
      "GlossaryTerm": {
        "type": "object",
        "required": ["slug", "term", "category", "definition"],
        "properties": {
          "slug": { "type": "string", "example": "zero-knowledge-proofs" },
          "term": { "type": "string", "example": "Zero-Knowledge Proofs (ZKP)" },
          "category": { "type": "string", "example": "Cryptography" },
          "definition": { "type": "string", "example": "A cryptographic method by which one party can prove to another that a given statement is true without conveying any information apart from the fact that the statement is indeed true." },
          "url": { "type": "string", "format": "uri", "example": "https://hashtagweb3.com/zero-knowledge-proofs" }
        }
      },
      "GlossaryListResponse": {
        "type": "object",
        "required": ["data", "meta"],
        "properties": {
          "data": {
            "type": "array",
            "items": { "$ref": "#/components/schemas/GlossaryTerm" }
          },
          "meta": {
            "type": "object",
            "required": ["total", "count"],
            "properties": {
              "total": { "type": "integer", "example": 210 },
              "count": { "type": "integer", "example": 50 }
            }
          }
        }
      },
      "ApiErrorResponse": {
        "type": "object",
        "required": ["error"],
        "properties": {
          "error": {
            "type": "object",
            "required": ["code", "message", "hint"],
            "properties": {
              "code": {
                "type": "string",
                "enum": ["BAD_REQUEST", "NOT_FOUND", "INTERNAL_SERVER_ERROR", "RATE_LIMITED"],
                "example": "BAD_REQUEST"
              },
              "message": {
                "type": "string",
                "example": "Invalid parameter: 'limit' must be an integer between 1 and 200."
              },
              "hint": {
                "type": "string",
                "example": "Adjust the limit parameter and retry. View docs at https://hashtagweb3.com/developers"
              },
              "docUrl": {
                "type": "string",
                "format": "uri",
                "example": "https://hashtagweb3.com/developers"
              }
            }
          }
        }
      }
    }
  }
}