API reference · 3 endpoints

Portfolios and co-investors

GET/v1/firms/{ref}/portfolio#

Companies that passed their checks, each with status, confidence, source, first seen date, the earliest funding round on record that names the firm (date and stage), how many rounds name it and whether it led one.

Results one per companyMCP get_portfolio

ParameterDescription

refstring · path · required

The firm's slug, id or any domain it has used, such as sequoiacap.com. A domain the firm moved away from still works.

limitinteger · query

Results per page, up to your plan's page size: 25 on Free, 100 on Pro and Team.

cursorstring · query

The next_cursor of the previous page. See Pagination.

curl "https://api.vcinfo.io/v1/firms/sequoiacap.com/portfolio" \
  -H "X-API-Key: $VCINFO_KEY"

const res = await fetch("https://api.vcinfo.io/v1/firms/sequoiacap.com/portfolio", {
  headers: { "X-API-Key": process.env.VCINFO_KEY },
});
const data = await res.json();

import os, requests

res = requests.get(
    "https://api.vcinfo.io/v1/firms/sequoiacap.com/portfolio",
    headers={"X-API-Key": os.environ["VCINFO_KEY"]},
)
res.raise_for_status()
data = res.json()

Response200

{
  "firm": {
    "slug": "sequoia-capital",
    "name": "Sequoia Capital"
  },
  "companies": [
    {
      "domain": "stripe.com",
      "name": "Stripe",
      "name_original": null,
      "description": "Stripe provides financial infrastructure and payment tools for businesses.",
      "sectors": [
        "Fintech",
        "E-commerce & Marketplaces"
      ],
      "country": "United States",
      "city": "South San Francisco",
      "status": "active",
      "redirect_target": null,
      "confidence": "declared",
      "source": "portfolio_page",
      "first_seen_at": "2026-07-02T11:40:00.000Z",
      "last_checked": "2026-11-03T06:12:00.000Z",
      "evidence": [
        {
          "source_type": "portfolio_page",
          "source_url": "https://www.sequoiacap.com/our-companies/"
        }
      ],
      "first_round_with_firm": {
        "occurred_at": "2023-03-15",
        "stage": "Series C+"
      },
      "rounds_with_firm": 1,
      "led_by_firm": false
    }
  ],
  "next_cursor": "2~stripe.com"
}

GET/v1/firms/{ref}/coinvestors#

Firms sharing portfolio companies with this one, by number of shared companies.

Results one per firmMCP find_coinvestors

ParameterDescription

refstring · path · required

The firm's slug, id or any domain it has used, such as sequoiacap.com. A domain the firm moved away from still works.

limitinteger · query

Results per page, up to your plan's page size: 25 on Free, 100 on Pro and Team.

curl "https://api.vcinfo.io/v1/firms/sequoiacap.com/coinvestors" \
  -H "X-API-Key: $VCINFO_KEY"

const res = await fetch("https://api.vcinfo.io/v1/firms/sequoiacap.com/coinvestors", {
  headers: { "X-API-Key": process.env.VCINFO_KEY },
});
const data = await res.json();

import os, requests

res = requests.get(
    "https://api.vcinfo.io/v1/firms/sequoiacap.com/coinvestors",
    headers={"X-API-Key": os.environ["VCINFO_KEY"]},
)
res.raise_for_status()
data = res.json()

Response200

{
  "firm": {
    "slug": "sequoia-capital",
    "name": "Sequoia Capital"
  },
  "coinvestors": [
    {
      "slug": "sv-angel",
      "name": "SV Angel",
      "domain": "svangel.com",
      "shared_companies": 42
    },
    {
      "slug": "kleiner-perkins",
      "name": "Kleiner Perkins",
      "domain": "kleinerperkins.com",
      "shared_companies": 34
    }
  ]
}

POST/v1/overlap#

Companies shared by two or more firms. Free compares 2 firms, Pro 5 and Team 20.

Results one per companyMCP portfolio_overlap

ParameterDescription

firmsstring[] · body · required

Two or more slugs, ids or domains.

limitinteger · query

Results per page, up to your plan's page size: 25 on Free, 100 on Pro and Team.

curl -X POST "https://api.vcinfo.io/v1/overlap" \
  -H "X-API-Key: $VCINFO_KEY" \
  -H "Content-Type: application/json" \
  -d '{"firms":["sequoiacap.com","svangel.com"]}'

const res = await fetch("https://api.vcinfo.io/v1/overlap", {
  method: "POST",
  headers: { "X-API-Key": process.env.VCINFO_KEY, "Content-Type": "application/json" },
  body: JSON.stringify({"firms":["sequoiacap.com","svangel.com"]}),
});
const data = await res.json();

import os, requests

res = requests.post(
    "https://api.vcinfo.io/v1/overlap",
    headers={"X-API-Key": os.environ["VCINFO_KEY"]},
    json={"firms":["sequoiacap.com","svangel.com"]},
)
res.raise_for_status()
data = res.json()

Response200

{
  "firms": [
    {
      "slug": "sequoia-capital",
      "name": "Sequoia Capital"
    },
    {
      "slug": "sv-angel",
      "name": "SV Angel"
    }
  ],
  "shared_companies": [
    {
      "domain": "stripe.com",
      "name": "Stripe",
      "firms": 2
    }
  ]
}

PreviousInvestors NextCompanies