# Interzoid, free, API key, POST /enrich: Company funding API

> For developers and AI agents: enrich up to 100 JSON records per call, or entire CSV and TSV files, with AI-powered company, contact, location, tax, and standardization data appended to every record.

Interzoid's company funding API on its Free API key plan. It costs $0.00 per 1,000 companies. It returns 6 of the 13 key fields we check: Round, Amount, Investors, Headquarters, Size, Competitor.
The cheapest of the 49 plans we rank by price is [NeuralVerge, $50 monthly, Base, POST /functions/v1/run-techeu-rounds-search](https://datacircle.dev/company-funding-apis/neuralverge/50-monthly-base-post-functions-v1-run-techeu-rounds-search/llms.txt), at $1.00 per 1,000 companies.

- This page: https://datacircle.dev/company-funding-apis/interzoid/free-api-key-post-enrich
- [Best company funding API in 2026](https://datacircle.dev/best-company-funding-api.txt)
- Get it: https://docs.interzoid.com/entries/api-license-keys
- Its API docs: https://www.interzoid.com/apis/batch-data-enrichment
- Sold by: Interzoid (https://www.interzoid.com)
- Checked: 2026-10-26

## In the answer

- Completeness: 46%
- Round: ✓
- Amount: ✓
- Investors: ✓
- Headquarters: ✓
- Size: ✓
- Competitor: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: 56 other calls

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: For developers and AI agents: enrich up to 100 JSON records per call, or entire CSV and TSV files, with AI-powered company, contact, location, tax, and standardization data appended to every record.

## Data

- Freshness: live
- Keep data: no limit
- Use data: You may use Service Outputs, including Enrichment Data, in your internal systems, applications, databases, workflows, reports, and business processes, provided that your use complies with these Terms, applicable law, and any applicable purchase, subscription, or usage terms. [...] You may not, and may not permit any third party to: Use the Services for unlawful, fraudulent, deceptive, abusive, harmful, or unauthorized purposes, Use the Services to build, train, benchmark, or improve a competing product or service without Interzoid's written permission, Resell, sublicense, lease, distribute, or provide the Services, Service Outputs, or Enrichment Data as a standalone data product, API, database, feed, or competing service, Scrape, harvest, copy, or bulk extract data from the Services except through authorized API calls or permitted product functionality, Use the Services in violation of privacy, data protection, intellectual property, export control, anti-spam, anti-discrimination, or other applicable laws, Use the Services, Service Outputs, or Enrichment Data to conduct unlawful surveillance, monitoring, tracking, stalking, harassment, intimidation, or doxxing of any individual, or to locate or identify an individual in order to threaten, endanger, harm, defraud, or extort that individual, Use the Services, Service Outputs, or Enrichment Data to re-identify individuals from data that has been anonymized, de-identified, aggregated, or pseudonymized, Use the Services, Service Outputs, or Enrichment Data to circumvent or defeat an individual's opt-out, do-not-contact, do-not-sell, suppression, consent withdrawal, or deletion request, or to reconstruct records that were required to be deleted or suppressed, Use the Services, Service Outputs, or Enrichment Data as a factor in establishing an individual's eligibility for credit, insurance, employment, housing, education, government benefits, or healthcare, or for any other purpose that would cause Interzoid to be considered a consumer reporting agency or Service Outputs to be considered a consumer report under the Fair Credit Reporting Act or any analogous law, Use the Services in any manner prohibited by the Acceptable Use Policy.

## Plan

- Pay: $0

## Rate limit

- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: function "private-company-deal-intel", records[].lookup. Optional: lookup_field, language
- Method: POST
- Path: /enrich

## About the plan

- Plan: Free API key
- Who can get it: anyone

## The 16 fields the plan's answer can hold

company name, founded year, headquarters, funding rounds, total funding raised, latest valuation, key investors, revenue estimate, headcount trend, comparable companies, data confidence notes, status code, function, record count, error count, output fields

## Interzoid's plans (9)

- [Interzoid, free, API key, POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/free-api-key-post-enrich/llms.txt): $0.00 per 1,000, 46% complete, live
- [Interzoid, pay as you go, x402 pay per call, POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/pay-as-you-go-x402-pay-per-call-post-enrich/llms.txt): $250.00 per 1,000, 46% complete, live
- [Interzoid, $20 monthly, Starter Plan, POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/20-monthly-starter-plan-post-enrich/llms.txt): $500.00 per 1,000, 46% complete, live
- [Interzoid, $99 monthly, 10,000 Credits, POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/99-monthly-10000-credits-post-enrich/llms.txt): $247.50 per 1,000, 46% complete, live
- [Interzoid, $750 monthly, 100,000 Credits, POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/750-monthly-100000-credits-post-enrich/llms.txt): $187.50 per 1,000, 46% complete, live
- [Interzoid, $2,999 monthly, 1 Million Credits, POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/2999-monthly-1-million-credits-post-enrich/llms.txt): $74.975 per 1,000, 46% complete, live
- [Interzoid, $999 yearly, 10,000 Credits (annual), POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/999-yearly-10000-credits-annual-post-enrich/llms.txt): $208.125 per 1,000, 46% complete, live
- [Interzoid, $7,500 yearly, 100,000 Credits (annual), POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/7500-yearly-100000-credits-annual-post-enrich/llms.txt): $156.25 per 1,000, 46% complete, live
- [Interzoid, $30,000 yearly, 1 Million Credits (annual), POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/30000-yearly-1-million-credits-annual-post-enrich/llms.txt): $62.50 per 1,000, 46% complete, live

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

- `POST /enrich`: [Interzoid, free, API key, POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/free-api-key-post-enrich/llms.txt)
- `GET /getprivatecompanydealintel`: [Interzoid, free, API key, GET /getprivatecompanydealintel](https://datacircle.dev/company-funding-apis/interzoid/free/llms.txt)

## Interzoid's APIs (8)

- [Interzoid: company enrichment API pricing, 9 plans, POST /enrich, Batch Data Enrichment (business-info)](https://datacircle.dev/company-enrichment-apis/interzoid/free-api-key-post-enrich-batch-data-enrichment-business-info/llms.txt)
- [Interzoid: company enrichment API pricing, 9 plans, POST /enrich, Batch Data Enrichment (business-info-domain)](https://datacircle.dev/company-enrichment-apis/interzoid/free-api-key-post-enrich-batch-data-enrichment-business-info-domain/llms.txt)
- [Interzoid: company enrichment API pricing, 9 plans, POST /enrich, Batch Data Enrichment (industry-codes)](https://datacircle.dev/company-enrichment-apis/interzoid/free-api-key-post-enrich-batch-data-enrichment-industry-codes/llms.txt)
- [Interzoid: company enrichment API pricing, 9 plans, POST /enrich, Batch Data Enrichment (sic-codes)](https://datacircle.dev/company-enrichment-apis/interzoid/free-api-key-post-enrich-batch-data-enrichment-sic-codes/llms.txt)
- [Interzoid: company enrichment API pricing, 9 plans, GET /getbusinessinfo](https://datacircle.dev/company-enrichment-apis/interzoid/free/llms.txt)
- [Interzoid: company enrichment API pricing, 9 plans, GET /getbusinessinfodomain](https://datacircle.dev/company-enrichment-apis/interzoid/free-api-key-get-getbusinessinfodomain/llms.txt)
- [Interzoid: company enrichment API pricing, 9 plans, GET /getindustrycodes](https://datacircle.dev/company-enrichment-apis/interzoid/free-api-key-get-getindustrycodes/llms.txt)
- [Interzoid: company enrichment API pricing, 9 plans, GET /getsiccodes](https://datacircle.dev/company-enrichment-apis/interzoid/free-api-key-get-getsiccodes/llms.txt)
- [Interzoid: similar companies API pricing, 9 plans, POST /enrich](https://datacircle.dev/similar-company-apis/interzoid/free-api-key-post-enrich/llms.txt)
- [Interzoid: similar companies API pricing, 9 plans, GET /getcompetitoranalysis](https://datacircle.dev/similar-company-apis/interzoid/free-api-key-get-getcompetitoranalysis/llms.txt)
- [Interzoid: cached email verification API pricing, 9 plans, POST /enrich](https://datacircle.dev/cached-email-validation-apis/interzoid/free-api-key-post-enrich/llms.txt)
- [Interzoid: cached email verification API pricing, 9 plans, GET /emailtrustscore](https://datacircle.dev/cached-email-validation-apis/interzoid/free-api-key-get-emailtrustscore/llms.txt)
- [Interzoid: people search API pricing, 9 plans, POST /enrich](https://datacircle.dev/people-search-apis/interzoid/free-api-key-post-enrich/llms.txt)
- [Interzoid: people search API pricing, 9 plans, GET /getexecutiveprofile](https://datacircle.dev/people-search-apis/interzoid/free-api-key-get-getexecutiveprofile/llms.txt)
- [Interzoid: company hierarchy API pricing, 9 plans, POST /enrich](https://datacircle.dev/company-hierarchy-apis/interzoid/free-api-key-post-enrich/llms.txt)
- [Interzoid: company hierarchy API pricing, 9 plans, GET /getparentcompanyinfo](https://datacircle.dev/company-hierarchy-apis/interzoid/free/llms.txt)
- [Interzoid: phone validation API pricing, 9 plans, POST /enrich](https://datacircle.dev/validate-phone-apis/interzoid/free-api-key-post-enrich/llms.txt)
- [Interzoid: phone validation API pricing, 9 plans, GET /getphoneprofile](https://datacircle.dev/validate-phone-apis/interzoid/free/llms.txt)
- [Interzoid: company funding API pricing, 9 plans, POST /enrich](https://datacircle.dev/company-funding-apis/interzoid/free-api-key-post-enrich/llms.txt)
- [Interzoid: tech stack API pricing, 9 plans, POST /enrich](https://datacircle.dev/company-technology-apis/interzoid/free-api-key-post-enrich/llms.txt)
- [Interzoid: tech stack API pricing, 9 plans, GET /gettechstack](https://datacircle.dev/company-technology-apis/interzoid/free/llms.txt)

## Interzoid: company funding API alternatives

- [NeuralVerge, $1,000 monthly, Enterprise, POST /functions/v1/run-tracxn-companies-funding](https://datacircle.dev/company-funding-apis/neuralverge/1000-monthly/llms.txt): $5.00 per 1,000, 31% complete, live
- [Olostep, pay as you go](https://datacircle.dev/company-funding-apis/olostep/pay-as-you-go/llms.txt): $50.00 per 1,000, 15% complete, live
- [NinjaPear, $100 pack](https://datacircle.dev/company-funding-apis/ninjapear/100-pack/llms.txt): $52.798 per 1,000, 31% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-26.

- https://docs.interzoid.com/entries/api-license-keys
- https://www.interzoid.com/api
- https://www.interzoid.com/api-acceptable-use
- https://www.interzoid.com/api-pricing
- https://www.interzoid.com/api-terms-use
- https://www.interzoid.com/apis/batch-data-enrichment
- https://www.interzoid.com/services/api-pricing