# Bigdata.com, free: Company funding API

> Returns the funding rounds one private company has raised: when each was announced and closed, what kind of round it was, how much it raised, what the company was valued at before and after, and who invested.

Bigdata.com's company funding API on its Starter plan, $0.00 per 1,000 companies. 3 of the 13 key fields: Round, Date, Investors.

- This page: https://datacircle.dev/company-funding-apis/bigdata-com/free
- Get it: https://bigdata.com/pricing
- Its API docs: https://docs.bigdata.com/api-reference/private-markets/private-company-funding-rounds
- Sold by: Bigdata.com (https://bigdata.com)
- Checked: 2026-10-20

## In the answer

- Completeness: 23%
- Round: ✓
- Date: ✓
- Investors: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Search Service · Research Agent · Workflows API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Returns the funding rounds one private company has raised: when each was announced and closed, what kind of round it was, how much it raised, what the company was valued at before and after, and who invested.

## Data

- Keep data: 4.2 Grounding Right [...] 3. What you may not do. You may not (a) store, cache, retain, or archive the underlying Bigdata Content itself beyond the moment of Consumption [...] 6. Survival of derivative works. Your right to retain and use derivative output you have already lawfully created under a Grounding Right survives termination of your account, but no new Grounding Rights may be exercised after termination. [...] 7. Term [...] 4. Effect of Termination. Upon termination, you will immediately cease to access Bigdata.com and use its Services, cease exercising any further Grounding Rights, and delete (or return, at our sole discretion) any and all copies of Bigdata Content stored in violation of Section 4.
- Use data: 4.1 Grant of Service License Subject to the terms and conditions of these Terms of Service, Bigdata.com hereby grants you a limited, revocable, non-exclusive, non-transferable and not-sublicensable license to use the Services (the Chatbot, the website, the API, and the MCP server). 4.2 Grounding Right [...] 2. What you may do. Under a Grounding Right, you may (a) use Bigdata Content and/or Files to ground a single inference, and (b) retain and keep the derivative output that the Chatbot or your Connected Model produces from that inference. 3. What you may not do. You may not (a) store, cache, retain, or archive the underlying Bigdata Content itself beyond the moment of Consumption, (b) redistribute the underlying Bigdata Content to any third party, (c) treat the Grounding Right as perpetual: each Consumption is a new, separate, one-time right and confers no standing or ongoing license to the underlying Bigdata Content, or (d) use Bigdata Content to train, fine-tune, or evaluate any AI or machine-learning model. [...] 4.5 Restrictions You shall not, whether directly, through the Chatbot, through the API, or through a Connected Model: 1. use the Services in a manner that infringes the laws of your country or geographical location, 2. use the Services in any manner or for any purpose that infringes, misappropriates, or otherwise violates any intellectual property right or other right of any person or company, 3. disassemble, decipher, reconfigure, reverse engineer, decompile, alter, or reproduce the Services, or make derivatives or improvements to any software programs provided by Bigdata.com, 4. combine or integrate the Services with any software, technology, services, or materials not authorized by Bigdata.com, 5. rent, lease, lend, sell, sublicense, assign, distribute, publish, transfer, or otherwise make available Bigdata.com, or any Bigdata Content, in whole or in part, 6. use the Services or Bigdata Content to create, train, fine-tune, evaluate, or improve any new or existing AI, machine-learning, or software model that you or third parties might offer, except by written confirmation from us, 7. systematically download, scrape, harvest, or extract Bigdata Content, whether via the Chatbot, the website, the API, or a Connected Model, 8. copy, store, archive, cache, or create a database of Bigdata Content, in whole or in part, beyond what is expressly permitted for a Grounding Right under Section 4.2, 9. use Searches or Responses to develop models, products, or services that compete with Bigdata.com, 10. claim that a Response was human-generated, 11. upload to Bigdata.com any Personal Information that violates the General Data Protection Regulation (GDPR) enacted by the European Union, or the applicable privacy and data protection law of your location, 12. connect a Connected Model to Bigdata.com via MCP that does not operate under Zero Data Retention, or misrepresent a Connected Model's ZDR configuration. 4.6 Third-Party Services You shall not use Bigdata.com as part of any third-party service, software, platform, or product without express authorization from Bigdata.com. This restriction applies equally to connecting Bigdata.com to a Connected Model that you make available, directly or indirectly, to any third party.

## Plan

- Pay: $0
- You get: $10

## Rate limit

- Per second: 8.33

## Speed

- Answer: in the call

## The call

- You send: identifier (type "rp_entity_id", value). Optional: limit, cursor
- Method: POST
- Path: /v1/funding-rounds/query

## About the plan

- Plan: Starter
- Who can get it: anyone at least 18 years old (an individual, or a business through its admin), self sign-up, no card required

## The 14 fields the plan's answer can hold

round name, announced on, closed on, investment type, investment stage, money raised, target money raised, pre-money valuation, post-money valuation, post-money valuation source, is equity, number of investors, lead investors, investors

## Bigdata.com's plans (6)

- [Bigdata.com, free](https://datacircle.dev/company-funding-apis/bigdata-com/free/llms.txt): $0.00 per 1,000, 23% complete
- [Bigdata.com, $50 monthly](https://datacircle.dev/company-funding-apis/bigdata-com/50-monthly/llms.txt): 23% complete
- [Bigdata.com, $200 monthly](https://datacircle.dev/company-funding-apis/bigdata-com/200-monthly/llms.txt): 23% complete
- [Bigdata.com, $480 yearly](https://datacircle.dev/company-funding-apis/bigdata-com/480-yearly/llms.txt): 23% complete
- [Bigdata.com, $1,920 yearly](https://datacircle.dev/company-funding-apis/bigdata-com/1920-yearly/llms.txt): 23% complete
- [Bigdata.com, contact us](https://datacircle.dev/company-funding-apis/bigdata-com/contact-us/llms.txt): 23% complete

## Bigdata.com's calls (1)

- `POST /v1/funding-rounds/query`: [Bigdata.com, free](https://datacircle.dev/company-funding-apis/bigdata-com/free/llms.txt)

## Similar plans of other providers

- [Signalbase, free](https://datacircle.dev/company-funding-apis/signalbase/free/llms.txt): $0.00 per 1,000, 62% complete
- [EnrichmentAPI, free](https://datacircle.dev/company-funding-apis/enrichmentapi/free/llms.txt): $0.00 per 1,000, 38% complete
- [NinjaPear, free](https://datacircle.dev/company-funding-apis/ninjapear/free/llms.txt): $0.00 per 1,000, 31% complete, live
- [StartupHub.ai, free](https://datacircle.dev/company-funding-apis/startuphub-ai/free/llms.txt): $0.00 per 1,000, 31% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-20.

- https://bigdata.com/developers
- https://bigdata.com/pricing
- https://bigdata.com/terms-and-conditions
- https://docs.bigdata.com/api-reference/private-markets/private-company-funding-rounds.md
- https://docs.bigdata.com/api-rest/rate_limits.md
- https://docs.bigdata.com/getting-started/bigdata_pricing
- https://docs.bigdata.com/release-notes/api_changelog