{
  "openapi": "3.1.0",
  "info": {
    "title": "Funding API",
    "version": "1.0.0",
    "summary": "Funding rounds raised by data and AI companies: company, round, amount in USD, date, lead and other investors, valuation when reported, sector, HQ country and a source link for each",
    "description": "Funding rounds raised by data and AI companies: company, round, amount in USD, date, lead and other investors, valuation when reported, sector, HQ country and a source link for each. An agent reads funding news and SEC Form D filings every weekday at 07:45 UTC. Free to read; please cite \"Funding (funding.fru.dev)\" with a link. Responses are cached at the edge; keep to about 60 requests a minute. Guide: https://funding.fru.dev/agents",
    "contact": {
      "name": "fru.dev",
      "url": "https://fru.dev",
      "email": "fru.dev3@gmail.com"
    }
  },
  "externalDocs": {
    "description": "For AI agents",
    "url": "https://funding.fru.dev/agents"
  },
  "servers": [
    {
      "url": "https://funding.fru.dev"
    }
  ],
  "paths": {
    "/api/rounds": {
      "get": {
        "operationId": "list_rounds",
        "summary": "Funding rounds, newest first, with optional filters",
        "description": "Funding rounds, newest first, with optional filters. Returns rounds with company, domain, round, amountUsd and valuationUsd (millions of US dollars), date, lead and other investors, category, country, sourceUrl and reviewed.",
        "parameters": [
          {
            "name": "since",
            "in": "query",
            "required": false,
            "description": "Announced on or after, YYYY-MM-DD",
            "schema": {
              "type": "string"
            },
            "example": "2026-09-01"
          },
          {
            "name": "until",
            "in": "query",
            "required": false,
            "description": "Announced on or before, YYYY-MM-DD",
            "schema": {
              "type": "string"
            },
            "example": "2026-09-30"
          },
          {
            "name": "category",
            "in": "query",
            "required": false,
            "description": "Sector slug, e.g. ai-infrastructure, ai-apps, databases",
            "schema": {
              "type": "string"
            },
            "example": "ai-infrastructure"
          },
          {
            "name": "investor",
            "in": "query",
            "required": false,
            "description": "Investor slug (lead or participant), e.g. andreessen-horowitz",
            "schema": {
              "type": "string"
            },
            "example": "andreessen-horowitz"
          },
          {
            "name": "country",
            "in": "query",
            "required": false,
            "description": "HQ country slug, e.g. united-states",
            "schema": {
              "type": "string"
            },
            "example": "united-states"
          },
          {
            "name": "q",
            "in": "query",
            "required": false,
            "description": "Words to match in company, investors, sector, place or description",
            "schema": {
              "type": "string"
            },
            "example": "robotics"
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "description": "Items per page, 1 to 200",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "maximum": 200,
              "default": 200
            }
          },
          {
            "name": "offset",
            "in": "query",
            "required": false,
            "description": "Items to skip, for the next page",
            "schema": {
              "type": "integer",
              "minimum": 0,
              "default": 0
            }
          }
        ],
        "responses": {
          "200": {
            "description": "rounds with company, domain, round, amountUsd and valuationUsd (millions of US dollars), date, lead and other investors, category, country, sourceUrl and reviewed",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                },
                "example": {
                  "rounds": [
                    {
                      "id": "tekever-series-d-2026-09",
                      "company": "TEKEVER",
                      "domain": "tekever.com",
                      "round": "Series D",
                      "amountUsd": 580,
                      "amountOriginal": null,
                      "currency": "USD",
                      "date": "2026-09-23",
                      "leadInvestors": [],
                      "otherInvestors": [],
                      "valuationUsd": 6400,
                      "category": "Robotics",
                      "country": "Portugal",
                      "city": ""
                    },
                    {
                      "id": "snorkel-ai-series-e-2026-09",
                      "company": "Snorkel AI",
                      "domain": "",
                      "round": "Series E",
                      "amountUsd": 350,
                      "amountOriginal": null,
                      "currency": "USD",
                      "date": "2026-09-23",
                      "leadInvestors": [],
                      "otherInvestors": [],
                      "valuationUsd": null,
                      "category": "AI apps",
                      "country": "",
                      "city": ""
                    }
                  ],
                  "total": 42,
                  "limit": 3,
                  "offset": 0,
                  "next": "/api/rounds?since=2026-09-15&limit=3&offset=3",
                  "agent": null
                }
              }
            }
          }
        }
      }
    },
    "/api/rounds/{id}": {
      "get": {
        "operationId": "get_round",
        "summary": "One funding round",
        "description": "One funding round. Returns the round with every field and its source URL.",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "description": "Round id, e.g. databricks-growth-2026-08",
            "schema": {
              "type": "string"
            },
            "example": "databricks-growth-2026-08"
          }
        ],
        "responses": {
          "200": {
            "description": "the round with every field and its source URL",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                },
                "example": {
                  "round": {
                    "id": "databricks-growth-2026-08",
                    "company": "Databricks",
                    "domain": "databricks.com",
                    "round": "Growth",
                    "amountUsd": 5000,
                    "amountOriginal": null,
                    "currency": "USD",
                    "date": "2026-08-13",
                    "leadInvestors": [
                      "Coatue"
                    ],
                    "otherInvestors": [
                      "Blackstone",
                      "MGX"
                    ],
                    "valuationUsd": 190000,
                    "category": "Data infrastructure",
                    "country": "United States",
                    "city": "San Francisco"
                  }
                }
              }
            }
          },
          "404": {
            "description": "Not found"
          }
        }
      }
    },
    "/api/companies/{slug}": {
      "get": {
        "operationId": "company_rounds",
        "summary": "Every tracked round one company raised",
        "description": "Every tracked round one company raised. Returns the company (name, domain, sector, total raised) and its rounds, newest first.",
        "parameters": [
          {
            "name": "slug",
            "in": "path",
            "required": true,
            "description": "Company slug, e.g. mistral-ai",
            "schema": {
              "type": "string"
            },
            "example": "mistral-ai"
          }
        ],
        "responses": {
          "200": {
            "description": "the company (name, domain, sector, total raised) and its rounds, newest first",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                },
                "example": {
                  "company": {
                    "slug": "mistral-ai",
                    "name": "Mistral AI",
                    "domain": "mistral.ai",
                    "category": "AI models",
                    "country": "France",
                    "rounds": 1,
                    "totalUsd": 3580,
                    "url": "https://funding.fru.dev/companies/mistral-ai"
                  },
                  "rounds": [
                    {
                      "id": "mistral-ai-series-d-2026-09",
                      "company": "Mistral AI",
                      "domain": "mistral.ai",
                      "round": "Series D",
                      "amountUsd": 3580,
                      "amountOriginal": 3000,
                      "currency": "EUR",
                      "date": "2026-09-08",
                      "leadInvestors": [
                        "Samsung Electronics",
                        "Scaleup Europe Fund"
                      ],
                      "otherInvestors": [
                        "Andreessen Horowitz",
                        "Nvidia"
                      ],
                      "valuationUsd": 24390,
                      "category": "AI models",
                      "country": "France",
                      "city": "Paris"
                    }
                  ]
                }
              }
            }
          },
          "404": {
            "description": "Not found"
          }
        }
      }
    },
    "/api/investors/{slug}": {
      "get": {
        "operationId": "investor_rounds",
        "summary": "Every tracked round one investor led or joined",
        "description": "Every tracked round one investor led or joined. Returns the investor (name, rounds, rounds led) and the rounds, newest first.",
        "parameters": [
          {
            "name": "slug",
            "in": "path",
            "required": true,
            "description": "Investor slug, e.g. sequoia-capital",
            "schema": {
              "type": "string"
            },
            "example": "sequoia-capital"
          }
        ],
        "responses": {
          "200": {
            "description": "the investor (name, rounds, rounds led) and the rounds, newest first",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                },
                "example": {
                  "investor": {
                    "slug": "sequoia-capital",
                    "name": "Sequoia Capital",
                    "rounds": 5,
                    "led": 2,
                    "totalUsd": 1710,
                    "url": "https://funding.fru.dev/investors/sequoia-capital"
                  },
                  "rounds": [
                    {
                      "id": "temporal-series-e-2026-09",
                      "company": "Temporal",
                      "domain": "temporal.io",
                      "round": "Series E",
                      "amountUsd": 550,
                      "amountOriginal": null,
                      "currency": "USD",
                      "date": "2026-09-14",
                      "leadInvestors": [
                        "Lightspeed Venture Partners",
                        "Wellington Management"
                      ],
                      "otherInvestors": [
                        "Goldman Sachs Alternatives",
                        "Tiger Global"
                      ],
                      "valuationUsd": 12550,
                      "category": "Developer tools",
                      "country": "United States",
                      "city": "Bellevue"
                    },
                    {
                      "id": "etched-growth-2026-08",
                      "company": "Etched",
                      "domain": "etched.com",
                      "round": "Growth",
                      "amountUsd": 700,
                      "amountOriginal": null,
                      "currency": "USD",
                      "date": "2026-08-18",
                      "leadInvestors": [
                        "Jane Street"
                      ],
                      "otherInvestors": [
                        "Kleiner Perkins",
                        "Sequoia Capital"
                      ],
                      "valuationUsd": 21000,
                      "category": "AI infrastructure",
                      "country": "United States",
                      "city": "San Jose"
                    }
                  ]
                }
              }
            }
          },
          "404": {
            "description": "Not found"
          }
        }
      }
    },
    "/api/search": {
      "get": {
        "operationId": "search",
        "summary": "Search companies, rounds, investors and pages",
        "description": "Search companies, rounds, investors and pages. Returns up to 20 ranked results with title, link and one line.",
        "parameters": [
          {
            "name": "q",
            "in": "query",
            "required": true,
            "description": "Company, investor or words",
            "schema": {
              "type": "string"
            },
            "example": "mistral"
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "description": "Results, 1 to 20",
            "schema": {
              "type": "integer",
              "minimum": 1,
              "maximum": 20,
              "default": 20
            }
          }
        ],
        "responses": {
          "200": {
            "description": "up to 20 ranked results with title, link and one line",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                },
                "example": {
                  "q": "mistral",
                  "results": [
                    {
                      "id": "co:mistral-ai",
                      "group": "companies",
                      "title": "Mistral AI",
                      "subtitle": "AI models · 1 round, $3.6B raised",
                      "href": "/companies/mistral-ai",
                      "keywords": [
                        "mistral.ai"
                      ],
                      "logo": "https://img.logo.dev/mistral.ai?token=...&format=png&theme=light&size=64&retina=true&fallback=404",
                      "score": 847
                    },
                    {
                      "id": "ro:mistral-ai-series-d-2026-09",
                      "group": "items",
                      "title": "Mistral AI Series D",
                      "subtitle": "$3.6B · Sep 8, 2026 · led by Samsung Electronics",
                      "href": "/rounds/mistral-ai-series-d-2026-09",
                      "keywords": [
                        "Samsung Electronics",
                        "Scaleup Europe Fund"
                      ],
                      "logo": "https://img.logo.dev/mistral.ai?token=...&format=png&theme=light&size=64&retina=true&fallback=404",
                      "score": 813
                    }
                  ]
                }
              }
            }
          }
        }
      }
    }
  }
}