# AdsCrawl, free: Similar companies API

> Start with a website. Discover similar businesses and potential competitors you may have missed, with up to eight recommendations ranked by relevance.

AdsCrawl's similar companies API on its Free plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Match, Domain.
We haven't run AdsCrawl through [our similar companies API benchmark](https://datacircle.dev/best-similar-companies-api.txt) yet.
This plan is free. We rank 119 plans for similar companies APIs by price. Half the plans cost $1.20 per 1,000 companies or less.
[PublicWWW's $499 monthly plan](https://datacircle.dev/similar-company-apis/publicwww/499-monthly/llms.txt) costs the least per 1,000 companies: $0.000055. PublicWWW charges for each page of results. We count 1,000,000 companies on each page to get the $0.000055 price.
[ZoomInfo's $45 pack](https://datacircle.dev/similar-company-apis/zoominfo/45-pack/llms.txt) covers any number of companies. ZoomInfo's $45 pack costs less up front than PublicWWW's $499 monthly plan.
[LeadMagic](https://datacircle.dev/similar-company-apis/leadmagic/499-monthly-professional-post-v3-companies-lookalike/llms.txt), [Tomba](https://datacircle.dev/similar-company-apis/tomba/pay-as-you-go/llms.txt) and [Social Fetch](https://datacircle.dev/similar-company-apis/social-fetch/14-pack/llms.txt) are the best similar companies API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/similar-company-apis/adscrawl/free
- [Similar companies API: the 9 best providers compared](https://datacircle.dev/best-similar-companies-api.txt)
- Get it: https://www.adscrawl.net/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- Request: `POST https://api.adscrawl.net/similar-sites`
- API key: with the plan, on https://www.adscrawl.net/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- Its API docs: https://docs.adscrawl.net/api-reference/similar-sites?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- Sold by: AdsCrawl (https://www.adscrawl.net?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 15%
- Match: ✓
- Domain: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Render HTML, Markdown, or Article JSON · Extract SPA Data · Capture Screenshot · Create and Launch Browser · Start Cloud Browser

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Start with a website. Discover similar businesses and potential competitors you may have missed, with up to eight recommendations ranked by relevance.

## Data

- Freshness: live
- Keep data: no limit
- Use data: You may not use AdsCrawl to break the law, violate third-party rights, bypass access controls you are not allowed to bypass, distribute malware, attack infrastructure, harvest sensitive personal information without authorization, or create abusive traffic patterns. Do not use the service for unlawful surveillance, fraud, credential theft, spam, harassment, or discrimination. Do not reverse engineer, resell, or exploit the platform except as expressly allowed by your plan or a written agreement. Do not use the service where your use would violate privacy, data security, platform, or contractual obligations that apply to you.

## Plan

- Pay: $0
- You get: 500 credits

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: url. Optional: timeoutMs
- Method: POST
- Path: /similar-sites

## About the plan

- Plan: Free
- Who can get it: anyone

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

target website, target title, target description, target logo, lookalike website, lookalike title, similarity score

## AdsCrawl's plans (4)

- [AdsCrawl, free](https://datacircle.dev/similar-company-apis/adscrawl/free/llms.txt): $0.00 per 1,000, 15% complete, live
- [AdsCrawl, $9 monthly](https://datacircle.dev/similar-company-apis/adscrawl/9-monthly/llms.txt): 15% complete, live
- [AdsCrawl, $49 monthly](https://datacircle.dev/similar-company-apis/adscrawl/49-monthly/llms.txt): 15% complete, live
- [AdsCrawl, $199 monthly](https://datacircle.dev/similar-company-apis/adscrawl/199-monthly/llms.txt): 15% complete, live

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

- `POST /similar-sites`: [AdsCrawl, free](https://datacircle.dev/similar-company-apis/adscrawl/free/llms.txt)

## AdsCrawl's APIs (5)

- [AdsCrawl: similar companies API pricing, 4 plans](https://datacircle.dev/similar-company-apis/adscrawl/free/llms.txt)
- [AdsCrawl: ChatGPT scraper API pricing, 4 plans](https://datacircle.dev/chatgpt-scraper-apis/adscrawl/free/llms.txt)
- [AdsCrawl: Gemini scraper API pricing, 4 plans](https://datacircle.dev/gemini-scraper-apis/adscrawl/free/llms.txt)
- [AdsCrawl: Google AI Mode scraper API pricing, 4 plans](https://datacircle.dev/google-ai-mode-scraper-apis/adscrawl/free/llms.txt)
- [AdsCrawl: Google AI Overview scraper API pricing, 4 plans](https://datacircle.dev/google-ai-overview-scraper-apis/adscrawl/free/llms.txt)

## AdsCrawl: similar companies API alternatives

- [Social Fetch, free](https://datacircle.dev/similar-company-apis/social-fetch/free/llms.txt): $0.00 per 1,000, 46% complete, live
- [ZenRows, free (agent storefront)](https://datacircle.dev/similar-company-apis/zenrows/free-agent-storefront/llms.txt): $0.00 per 1,000, 23% complete, live
- [API Direct, free](https://datacircle.dev/similar-company-apis/api-direct/free/llms.txt): $0.00 per 1,000, 23% complete, live
- [Bridgly, free](https://datacircle.dev/similar-company-apis/bridgly/free/llms.txt): $0.00 per 1,000, 23% 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 2026-11-05.

- https://docs.adscrawl.net/api-reference/introduction?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.adscrawl.net/api-reference/similar-sites?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.adscrawl.net/credits-and-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.adscrawl.net/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.adscrawl.net/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.adscrawl.net/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.adscrawl.net/similar-websites/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.adscrawl.net/terms-of-service/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing