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Catalog / FounderFuel

FounderFuel API

founderfuel.com

Live, read-only access to FounderFuel's publicly listed portfolio companies. Records are parsed from the FounderFuel companies page, including source-labelled activity status, investment stage, accelerator cohort, categories, descriptions, websites, dates, and funding or transaction details.

  • Business
  • FounderFuel
  • portfolio
  • venture capital
  • startups
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1 endpointDocs updated

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Connect your agent

Connect through MCP so your agent can find this API, read its docs, and call its endpoints.

Setup guide

Add the server from your terminal.

Claude Code · terminal
claude mcp add --transport http agent-data https://agent-data.motie.dev/mcp

In Claude Code, run /mcp, select agent-data, then Authenticate. Sign in to your agent-data account in the browser.

Then ask your agent to use the FounderFuel API for your task.

Call it over HTTP

Get an API key

Sign up free, generate an API key, and set it as AGENT_DATA_API_KEY in your environment. Your first 100 calls each month are free.

Return the complete live portfolio listing, optionally filtered by the source's own status, stage, or cohort labels.

Optional parameters 3

Filter by FounderFuel activity status.

Filter by FounderFuel investment stage.

Filter by FounderFuel cohort/batch label.

View call pricing
cURL · Get portfolio
curl --request GET --get 'https://api.agent-data.dev/founderfuel-com/v1/portfolio' \
  --header "Authorization: Bearer $AGENT_DATA_API_KEY"

Endpoints

Inputs and response fields for every endpoint in this API.

GETGet portfolio/v1/portfolio

Return the complete live portfolio listing, optionally filtered by the source's own status, stage, or cohort labels.

Input

activity_statusOptionalQuery · string | null

Filter by FounderFuel activity status.

Example: active

investment_stageOptionalQuery · string | null

Filter by FounderFuel investment stage.

Example: seed

accelerator_batchOptionalQuery · string | null

Filter by FounderFuel cohort/batch label.

Example: 2015-fall

Response

countinteger
companiesobject[]
companies[].namestring
companies[].website?string | null
companies[].categories?string[]
companies[].source_urlstring
companies[].description?string | null
companies[].activity_status?string | null
companies[].funding_details?string | null
companies[].investment_date?string | null
companies[].source_metadata?string | null
companies[].investment_stage?string | null
companies[].accelerator_batch?string | null
source_urlstring

Fields marked ? are optional.

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