# Upspring, free: Company enrichment API

> Query an advertiser's ad library, creative patterns, platform mix, and scale grades. Everything is pre-analyzed, so your code gets structured context, not raw media.

Upspring's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. It returns 1 of the 13 key fields we check: Social profiles.
In [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt), Upspring's best plan scores 0.0 out of 100.
This plan is free. We rank 1,451 plans for company enrichment APIs by price. Half the plans cost $9.00 per 1,000 companies or less.
[Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[CNPJ API's R$99 monthly plan (/bulk-cnpj)](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt) covers any number of companies in Brazil only. CNPJ API's R$99 monthly plan costs less up front than Extruct's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [SEC EDGAR](https://datacircle.dev/company-enrichment-apis/sec-edgar/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/upspring/free
- [Company enrichment API: 130+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://www.upspring.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://public-api.upspring.ai/v1/advertisers/by-domain`
- API key: with the plan, on https://www.upspring.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://public-api.upspring.ai/v1/docs/ui?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#tag/advertisers/GET/v1/advertisers/by-domain
- Sold by: Upspring (https://www.upspring.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 8%
- Social profiles: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Query an advertiser's ad library, creative patterns, platform mix, and scale grades. Everything is pre-analyzed, so your code gets structured context, not raw media.

## Data

- Freshness: stored
- 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 or by polling
- Median: 5.11 s

## The call

- You send: domain. Optional: sync
- Method: GET
- Path: /v1/advertisers/by-domain

## About the plan

- Plan: Free
- Who can get it: anyone

## The 35 fields the plan's answer can hold

advertiser ID, name, vertical, category, one-line summary, short summary, 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, Facebook followers, Instagram followers, active ads, social data as of, Reddit sentiment summary, Reddit sentiment, Reddit sentiment note, Reddit themes, Reddit fetched at, personas, mechanisms, hooks, media mix, funnel, hook themes, top ads, response status

## Upspring's plans (4)

- [Upspring, free](https://datacircle.dev/company-enrichment-apis/upspring/free/llms.txt): $0.00 per 1,000, 8% complete, stored
- [Upspring, $149 monthly](https://datacircle.dev/company-enrichment-apis/upspring/149-monthly/llms.txt): 8% complete, stored
- [Upspring, $349 monthly](https://datacircle.dev/company-enrichment-apis/upspring/349-monthly/llms.txt): 8% complete, stored
- [Upspring, contact us](https://datacircle.dev/company-enrichment-apis/upspring/contact-us/llms.txt): 8% complete, stored

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

- `GET /v1/advertisers/by-domain`: [Upspring, free](https://datacircle.dev/company-enrichment-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 enrichment API alternatives

- [GLEIF, free](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt): $0.00 per 1,000, 15% complete, stored
- [data.texas.gov, free, With an app token](https://datacircle.dev/company-enrichment-apis/data-texas-gov/free-with-an-app-token/llms.txt): $0.00 per 1,000, 15% complete, stored
- [CZ Agents, free](https://datacircle.dev/company-enrichment-apis/cz-agents/free/llms.txt): $0.00 per 1,000, 8% complete, stored
- [CNPJa, free, Plano Gratuito, GET /office/{taxId}, Consulta CNPJ (cache)](https://datacircle.dev/company-enrichment-apis/cnpja/free-plano-gratuito-get-office-taxid-consulta-cnpj-cache/llms.txt): $0.00 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 2026-11-04.

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