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API reference

LatestRounds API

Access funding rounds, company enrichment, signals, investors, and categories from one API. Browse endpoints from the left sidebar to open a dedicated page per endpoint.

Authentication

Use a dashboard-generated API key on every request: Authorization: Bearer YOUR_API_KEY.

Rate and limits

Per-minute burst limits, monthly quota, and page-size caps are enforced by plan.

Base URL

https://latestrounds.com/api/v1

List funding rounds

GET/api/v1/funding

Search published rounds with filters for country, deal type, investor, date window, and amount ranges.

Request - cURL
curl -s "https://latestrounds.com/api/v1/funding?country=US&deal_types=seed,series_a&min_amount_usd=1000000&sort=amount_desc&limit=5" \
  -H "Authorization: Bearer YOUR_API_KEY"
Request - JavaScript (fetch)
const res = await fetch("https://latestrounds.com/api/v1/funding?country=US&deal_types=seed,series_a&limit=5", {
  headers: { Authorization: "Bearer YOUR_API_KEY" }
});

const json = await res.json();
console.log(json.data);
Request - Python
import requests

resp = requests.get(
  "https://latestrounds.com/api/v1/funding",
  params={
    "country": "US",
    "deal_types": "seed,series_a",
    "min_amount_usd": 1000000,
    "limit": 5,
  },
  headers={"Authorization": "Bearer YOUR_API_KEY"},
  timeout=30,
)
print(resp.json())

Path parameters

No fields.

Query parameters

NameTypeRequiredDescription
countrystring|csvnoCountry or comma-separated countries.
deal_typescsvnoDeal types such as seed, series_a, series_b.
investorscsvnoInvestor names or slugs.
from, todatenoISO date window (YYYY-MM-DD).
min_amount_usd, max_amount_usdnumbernoUSD amount bounds.
sortenumnoannounced_date_desc, announced_date_asc, amount_desc, amount_asc.
limit, offsetnumbernoPagination controls (plan-capped: Starter 10, Growth 20, Scale 50).

Headers

NameValueRequired
AuthorizationBearer YOUR_API_KEYyes
Content-Typeapplication/jsonno

Response fields

FieldTypeDescription
data[]arrayFunding rounds with embedded company and investor data.
paginationobjectcount, limit, offset, has_more.
filters_appliedobjectNormalized filters applied by server.
sort_optionsarraySupported sort values.

Error responses

StatusCodeDescription
400invalid_parameterInvalid sort or malformed filter value.
401unauthorizedMissing or invalid API key.
429rate_limitedPer-minute burst rate limit exceeded.
429quota_exceededMonthly request quota exceeded for your plan.

Sample response

200 OK
{
  "data": [{
    "id": "deal_123",
    "announced_date": "2026-03-21",
    "deal_type": "series_a",
    "amount_usd": 12000000,
    "company": { "id": "cmp_1", "name": "Acme AI", "slug": "acme-ai" }
  }],
  "pagination": { "count": 1363, "limit": 5, "offset": 0, "has_more": true }
}