# Signalbase, free, 7-day trial, POST /csv-enrichment: Cached company funding API

> Submit company lists for enrichment with funding, acquisition, hiring, job change, and investor intelligence

Signalbase's cached company funding API on its 7-day trial plan. It costs $0.00 per 1,000 companies. It returns 3 of the 13 key fields we check: Industry, Headquarters, Size.
The cheapest of the 58 plans we rank by price is [Signalbase, €99 monthly, Pro, POST /csv-enrichment](https://datacircle.dev/cached-company-funding-apis/signalbase/99-monthly-pro-post-csv-enrichment/llms.txt), at $0.056 per 1,000 companies.
[The Swarm](https://datacircle.dev/cached-company-funding-apis/the-swarm/500-monthly/llms.txt), [Skrapp](https://datacircle.dev/cached-company-funding-apis/skrapp/349-monthly-enterprise-50k-get-api-v3-companies-enrich/llms.txt) and [Parsers VC](https://datacircle.dev/cached-company-funding-apis/parsers-vc/249-monthly/llms.txt) are the best cached company funding API providers in our benchmark.

- This page: https://datacircle.dev/cached-company-funding-apis/signalbase/free-7-day-trial-post-csv-enrichment
- [Best company funding API in 2026](https://datacircle.dev/best-company-funding-api.txt)
- Get it: https://www.trysignalbase.com/pricing
- Request: `POST https://www.trysignalbase.com/api/v2/csv-enrichment`
- API key: with the plan, on https://www.trysignalbase.com/pricing
- Its API docs: https://docs.trysignalbase.com/api-reference/csv-enrichment/endpoint/post
- Sold by: Signalbase (https://www.trysignalbase.com)
- Checked: 2026-10-28

## In the answer

- Completeness: 23%
- Industry: ✓
- Headquarters: ✓
- Size: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: result
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Get Funding Signals · Get Acquisition Signals · Get Job Change Signals · Get Hiring Signals · Get Investors · Get Companies · Search People · Successful webhook delivery

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Submit company lists for enrichment with funding, acquisition, hiring, job change, and investor intelligence

## Data

- Freshness: stored
- Keep data: no API terms
- Use data: “Not on the €99 plan, whose terms are own-use only. Redistribution and white-label API access are licensed separately, sized to your volume and scope in a conversation.”

## Plan

- Pay: $0
- You get: 500 credits
- Enough for: 500,000 results, once
- Expires: 7 days

## Rate limit

- Batch: 1,000

## Speed

- Answer: in the call or by polling

## The call

- You send: companies, one of companies[].company_name, companies[].website_url or companies[].linkedin_url. Optional: fileName, wait, timeout
- Method: POST
- Path: /csv-enrichment

## About the plan

- Plan: 7-day trial
- Who can get it: smaller recruitment agencies and solo recruiters running their own business development

## The 7 fields the plan's answer can hold

company ID, company name, company industry, company country, company employee count, credits used, credits remaining

## Signalbase's plans (3)

- [Signalbase, free, 7-day trial, POST /csv-enrichment](https://datacircle.dev/cached-company-funding-apis/signalbase/free-7-day-trial-post-csv-enrichment/llms.txt): $0.00 per 1,000, 23% complete, stored
- [Signalbase, €99 monthly, Pro, POST /csv-enrichment](https://datacircle.dev/cached-company-funding-apis/signalbase/99-monthly-pro-post-csv-enrichment/llms.txt): $0.056 per 1,000, 23% complete, stored
- [Signalbase, contact us, Custom, POST /csv-enrichment](https://datacircle.dev/cached-company-funding-apis/signalbase/contact-us-custom-post-csv-enrichment/llms.txt): 23% complete, stored

## Signalbase's calls for this API (2)

- `POST /csv-enrichment`: [Signalbase, free, 7-day trial, POST /csv-enrichment](https://datacircle.dev/cached-company-funding-apis/signalbase/free-7-day-trial-post-csv-enrichment/llms.txt)
- `GET /signals/funding`: [Signalbase, free, 7-day trial, GET /signals/funding](https://datacircle.dev/cached-company-funding-apis/signalbase/free/llms.txt)

## Signalbase's APIs (6)

- [Signalbase: cached company discovery API pricing, 3 plans](https://datacircle.dev/cached-company-discovery-apis/signalbase/free/llms.txt)
- [Signalbase: cached company enrichment API pricing, 3 plans](https://datacircle.dev/cached-company-enrichment-apis/signalbase/free/llms.txt)
- [Signalbase: cached people search API pricing, 3 plans](https://datacircle.dev/cached-people-search-apis/signalbase/free/llms.txt)
- [Signalbase: cached company funding API pricing, 3 plans, POST /csv-enrichment](https://datacircle.dev/cached-company-funding-apis/signalbase/free-7-day-trial-post-csv-enrichment/llms.txt)
- [Signalbase: cached job postings API pricing, 3 plans, POST /csv-enrichment](https://datacircle.dev/cached-job-posting-apis/signalbase/free-7-day-trial-post-csv-enrichment/llms.txt)
- [Signalbase: cached job postings API pricing, 3 plans, GET /signals/hiring](https://datacircle.dev/cached-job-posting-apis/signalbase/free/llms.txt)
- [Signalbase: cached leadership change API pricing, 3 plans, POST /csv-enrichment](https://datacircle.dev/cached-leadership-change-apis/signalbase/free-7-day-trial-post-csv-enrichment/llms.txt)
- [Signalbase: cached leadership change API pricing, 3 plans, GET /signals/job-changes](https://datacircle.dev/cached-leadership-change-apis/signalbase/free/llms.txt)

## Signalbase: cached company funding API alternatives

- [Bigdata.com, free](https://datacircle.dev/cached-company-funding-apis/bigdata-com/free/llms.txt): $0.00 per 1,000, 31% complete, stored
- [Parsers VC, $999 monthly, Enterprise, GET /startups/fundingrounds](https://datacircle.dev/cached-company-funding-apis/parsers-vc/999-monthly-enterprise-get-startups-fundingrounds/llms.txt): $1.998 per 1,000, 23% complete, stored
- [The Swarm, $96,000 yearly](https://datacircle.dev/cached-company-funding-apis/the-swarm/96000-yearly/llms.txt): $4.00 per 1,000, 46% complete, stored
- [Skrapp, $13,488 yearly, Enterprise 500K, POST /api/v3/companies/bulk-enrich](https://datacircle.dev/cached-company-funding-apis/skrapp/13488-yearly-enterprise-500k-post-api-v3-companies-bulk-enrich/llms.txt): $4.496 per 1,000, 31% complete, stored
- [Fundable, $100 monthly, Pro+, GET /deals/{id}](https://datacircle.dev/cached-company-funding-apis/fundable/100-monthly-pro-get-deals-id/llms.txt): $20.00 per 1,000, 38% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-28.

- https://docs.trysignalbase.com/api-reference/csv-enrichment/endpoint/get.md
- https://docs.trysignalbase.com/api-reference/csv-enrichment/endpoint/post.md
- https://docs.trysignalbase.com/api-reference/csv-enrichment/introduction
- https://docs.trysignalbase.com/api-reference/monitors/introduction
- https://docs.trysignalbase.com/index.md
- https://docs.trysignalbase.com/llms.txt
- https://www.trysignalbase.com
- https://www.trysignalbase.com/llms.txt
- https://www.trysignalbase.com/pricing