[ API ]

API reference

Funding rounds, companies, investors, and the news behind them, as JSON over plain GET requests: the same records the feed shows. No key needed. 60 requests a minute per IP, and CORS is open, so a browser app can call it directly.

GET /api/v1/rounds

Funding rounds, newest first: company, stage, amount, date, lead and other investors, certainty, and sources.

stage
Comma-separated: pre_seed, seed, series_a, series_b, series_c, series_d_plus, growth, and more
sector
One sector, such as ai, fintech, or developer tools
q
Free text over company names, descriptions, and investors
company
One company by domain or exact name
since
Rounds announced on or after a YYYY-MM-DD day
min_usd
Minimum amount in USD millions
sort
amount (largest first) or trending (most discussed now)
format
json (default), csv, or jsonl
limit, cursor
Page size up to 200, and next_cursor from the previous page

Returns { data: [round], next_cursor }

Request
# Series A rounds in AI, newest firstcurl "https://fireround.dev/api/v1/rounds?stage=series_a&sector=ai&limit=5"​# The rounds people are discussing nowcurl "https://fireround.dev/api/v1/rounds?sort=trending"​# Every round over $100M, as CSVcurl "https://fireround.dev/api/v1/rounds?min_usd=100&format=csv"

GET /api/v1/companies

Companies with a round in the feed, each with what it raised and its newest round.

q
Free text over name, description, sector, domain, and headquarters (london finds companies based there)
sector, stage, since
Read the same way as on /api/v1/rounds
sort
latest (default), raised, or name
limit, page
Page size up to 100, and the page number

Returns { data: [company], total, next_page }

Request
# London companies, largest raise firstcurl "https://fireround.dev/api/v1/companies?q=london&sort=raised&limit=5"

GET /api/v1/companies/{id}

One company's funding: who it is, what it raised, every round with its leads and announcement, and its investors.

id
The company's id, as in its page address: /companies/ramp is ramp

Returns { id, name, domain, total_raised_usd_millions, latest_round, rounds, investors, … }

Request
# Everything on record for one companycurl "https://fireround.dev/api/v1/companies/ramp"

GET /api/v1/investors

Investors named on rounds in the feed, with the rounds they led and joined and their newest round.

q
Part of the investor's name, such as sequoia
sort
led (default), rounds, latest, or name
limit, page
Page size up to 100, and the page number

Returns { data: [investor], total, next_page }

Request
# Find an investor by namecurl "https://fireround.dev/api/v1/investors?q=sequoia"

GET /api/v1/investors/top

The investors that led the most rounds in the last 7, 30, or 90 days, with the rounds they led.

window
7d, 30d (default), or 90d
sector, stage
Rank within one sector or a set of stages
limit
Up to 50, 10 by default

Returns { window, since, sector, data: [{ rank, name, rounds_led, lead_share_usd_millions, led_rounds }] }

Request
# Who led the most AI rounds this weekcurl "https://fireround.dev/api/v1/investors/top?window=7d&sector=ai"

GET /api/v1/investors/{id}

One investor's profile: its kind and headquarters, the rounds it led and joined, its sectors, stages, and co-investors.

id
The investor's id, as in its page address: /investors/sequoia is sequoia

Returns { id, name, kind, totals, sectors, stages, co_investors, recent_rounds, … }

Request
# One investor's rounds and co-investorscurl "https://fireround.dev/api/v1/investors/sequoia"

GET /api/v1/news

The articles behind the rounds, newest first, each with its publisher, day, and the rounds it reports.

q
A company name or a word in the headline
sector, since
Articles about rounds in one sector, or published on or after a day
limit, cursor
Page size up to 100, and next_cursor from the previous page

Returns { data: [{ title, url, publisher, published_on, excerpt, rounds }], next_cursor }

Request
# The latest fintech funding newscurl "https://fireround.dev/api/v1/news?sector=fintech&limit=10"

MCP server

The same records for an agent: add the server to any MCP client and it can list, search, and read rounds, companies, investors, and news. The tools are listed on the home page.

MCP client config
{  "mcpServers": {    "fireround": {      "url": "https://fireround.dev/api/mcp"    }  }}