# Upspring, free: Company discovery API

> Explore markets and verticals. See what's running, who's spending, and which creative patterns are working across Meta, TikTok, YouTube, Google, LinkedIn, Reddit, and AppLovin.

Upspring's company discovery API on its Free plan. It costs $0.00 per 1,000 companies. It returns none of the 13 key fields we check: Description, Industry, Type and status, Images and 9 more.
We haven't run Upspring through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 752 plans for company discovery APIs by price. Half the plans cost $1.188 per 1,000 companies or less.
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.0000015. StackScan's $189 monthly plan covers up to 259,200 pages a month at no extra cost. Each page holds 500,000 companies.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/upspring/free
- [Company discovery API: 60+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://www.upspring.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://public-api.upspring.ai/v1/advertisers`
- API key: with the plan, on https://www.upspring.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://public-api.upspring.ai/v1/docs/ui?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing#tag/advertisers/GET/v1/advertisers
- Sold by: Upspring (https://www.upspring.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 0%

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Most per search: 5,000

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Explore markets and verticals. See what's running, who's spending, and which creative patterns are working across Meta, TikTok, YouTube, Google, LinkedIn, Reddit, and AppLovin.

## Data

- Keep data: no limit
- Use data: A limited, non-exclusive, non-transferable, revocable license [...] for the sole purpose of enabling you to use and enjoy the benefit of the Service for your internal business purposes, in the manner permitted by these Terms. [...] Competitors and individuals developing similar or competing services are prohibited from accessing the Service without our prior written consent. [...] You will not, and will not permit any third party to: Interfere with the Service or disrupt, overburden, damage, or impair its functioning, Reverse engineer, disassemble, decompile, or copy any portion of the Service, Attempt to gain unauthorized access to the Service or its related systems, Use bots, scrapers, or automated methods to access or extract data without permission, Use the Service to transmit unlawful, harmful, or harassing content, Impersonate any person or entity. [...] If Upspring's features allow you to access or use third-party content, you acknowledge that such content may be protected by others' intellectual property rights and agree not to use it in a manner that infringes those rights.

## Plan

- Pay: $0
- You get: 150 credits a month

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: name, domain, fb_page, vertical, category, geo, min_ads, spend_tier, traffic_tier, sales_tier, limit, cursor
- Method: GET
- Path: /v1/advertisers

## About the plan

- Plan: Free
- Who can get it: anyone

## The 25 fields the plan's answer can hold

advertiser ID, name, domain, vertical, category, subcategories, dominant archetype, dominant persona, dominant mechanism, geo, active ads, spend grade, spend grade floor, spend estimated, spend note, traffic grade, traffic grade floor, traffic estimated, traffic note, sales grade, sales grade floor, sales estimated, sales note, response note, next cursor

## Upspring's plans (4)

- [Upspring, free](https://datacircle.dev/company-discovery-apis/upspring/free/llms.txt): $0.00 per 1,000, 0% complete
- [Upspring, $149 monthly](https://datacircle.dev/company-discovery-apis/upspring/149-monthly/llms.txt): 0% complete
- [Upspring, $349 monthly](https://datacircle.dev/company-discovery-apis/upspring/349-monthly/llms.txt): 0% complete
- [Upspring, contact us](https://datacircle.dev/company-discovery-apis/upspring/contact-us/llms.txt): 0% complete

## Upspring's calls for this API (1)

- `GET /v1/advertisers`: [Upspring, free](https://datacircle.dev/company-discovery-apis/upspring/free/llms.txt)

## Upspring's APIs (7)

- [Upspring: Facebook Ad Library API pricing, 4 plans](https://datacircle.dev/facebook-ad-apis/upspring/free/llms.txt)
- [Upspring: Google Ads Transparency API pricing, 4 plans](https://datacircle.dev/google-ad-apis/upspring/free/llms.txt)
- [Upspring: LinkedIn Ad Library API pricing, 4 plans](https://datacircle.dev/linkedin-ad-apis/upspring/free/llms.txt)
- [Upspring: TikTok Ad Library API pricing, 4 plans](https://datacircle.dev/tiktok-ad-apis/upspring/free/llms.txt)
- [Upspring: company discovery API pricing, 4 plans](https://datacircle.dev/company-discovery-apis/upspring/free/llms.txt)
- [Upspring: company enrichment API pricing, 4 plans](https://datacircle.dev/company-enrichment-apis/upspring/free/llms.txt)
- [Upspring: similar companies API pricing, 4 plans, GET /v1/advertisers/{id}/peers](https://datacircle.dev/similar-company-apis/upspring/free-get-v1-advertisers-id-peers/llms.txt)
- [Upspring: similar companies API pricing, 4 plans, GET /v1/advertisers/{id}/similar](https://datacircle.dev/similar-company-apis/upspring/free-get-v1-advertisers-id-similar/llms.txt)

## Upspring: company discovery API alternatives

- [GetProspect, free](https://datacircle.dev/company-discovery-apis/getprospect/free/llms.txt): $0.00 per 1,000, 62% complete, stored
- [Hunter, free, POST /discover](https://datacircle.dev/company-discovery-apis/hunter/free-post-discover/llms.txt): $0.00 per 1,000, 54% complete, stored
- [PeopleSearch.im, free](https://datacircle.dev/company-discovery-apis/peoplesearch-im/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [AnVendor, free, POST /v1/leads/search](https://datacircle.dev/company-discovery-apis/anvendor/free-post-v1-leads-search/llms.txt): $0.00 per 1,000, 23% complete, stored
- [treg, free](https://datacircle.dev/company-discovery-apis/treg/free/llms.txt): $0.00 per 1,000, 0% 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 2026-11-04.

- https://public-api.upspring.ai/v1/docs/ui?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.upspring.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.upspring.ai/privacy-policy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.upspring.ai/rest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.upspring.ai/terms-of-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing