# AdLibrarySpy, free: Tech stack API

> Returns name, country, niche, monthly traffic with its source and month, traffic history, live Meta ad count, best-selling products, apps and pixels.

AdLibrarySpy's tech stack API on its Free plan. It costs $0.00 per 1,000 companies. It returns 1 of the 13 key fields we check: Apps.
You get 1,000 requests a day. You spend the requests on AdLibrarySpy's other calls. This call is free for up to 30,000 calls a month.
We haven't run AdLibrarySpy through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
Half of the 310 plans we rank by price cost $8.90 per 1,000 companies or less. This plan has the lowest price per 1,000 companies of the 310 plans.
[GetProspect's $49 monthly plan](https://datacircle.dev/company-technology-apis/getprospect/49-monthly/llms.txt) covers any number of companies. GetProspect's $49 monthly plan costs less up front than Botoi's $199 monthly plan.
[JobsPipe](https://datacircle.dev/company-technology-apis/jobspipe/149-monthly-growth-post-v1-stack-scan/llms.txt), [DetectZeStack](https://datacircle.dev/company-technology-apis/detectzestack/79-monthly-mega-get-analyze/llms.txt) and [GetProspect](https://datacircle.dev/company-technology-apis/getprospect/49-monthly/llms.txt) are the best tech stack API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-technology-apis/adlibraryspy/free
- [Tech stack API: find a company's technologies](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://adlibraryspy.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `GET https://adlibraryspy.com/api/public/store`
- API key: not needed
- Its API docs: https://adlibraryspy.com/SKILL.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Sold by: AdLibrarySpy (https://adlibraryspy.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 8%
- Apps: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: This week's winners

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Returns name, country, niche, monthly traffic with its source and month, traffic history, live Meta ad count, best-selling products, apps and pixels.

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- You get: 1,000 requests a day
- Enough for: 30,000 calls a month

## Rate limit

- Per day: 1,000
- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /api/public/store

## About the plan

- Plan: Free
- Who can get it: anyone

## The 2 fields the plan's answer can hold

apps, pixels

## AdLibrarySpy's plans (1)

- [AdLibrarySpy, free](https://datacircle.dev/company-technology-apis/adlibraryspy/free/llms.txt): $0.00 per 1,000, 8% complete

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

- `GET /api/public/store`: [AdLibrarySpy, free](https://datacircle.dev/company-technology-apis/adlibraryspy/free/llms.txt)

## AdLibrarySpy's APIs (4)

- [AdLibrarySpy: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/adlibraryspy/free/llms.txt)
- [AdLibrarySpy: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/adlibraryspy/free/llms.txt)
- [AdLibrarySpy: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/adlibraryspy/free/llms.txt)
- [AdLibrarySpy: Facebook Ad Library API pricing, 1 plan](https://datacircle.dev/facebook-ad-apis/adlibraryspy/free/llms.txt)

## AdLibrarySpy: tech stack API alternatives

- [JobsPipe, free, GET /v1/companies/{key}/technologies](https://datacircle.dev/company-technology-apis/jobspipe/free-get-v1-companies-key-technologies/llms.txt): $0.00 per 1,000, 31% complete, 6 hours
- [DetectZeStack, free, GET /analyze](https://datacircle.dev/company-technology-apis/detectzestack/free-get-analyze/llms.txt): $0.00 per 1,000, 23% complete, 24 hours
- [GetProspect, free](https://datacircle.dev/company-technology-apis/getprospect/free/llms.txt): $0.00 per 1,000, 15% complete, 30 days
- [Tomba, free](https://datacircle.dev/company-technology-apis/tomba/free/llms.txt): $0.00 per 1,000, 15% complete, stored
- [NerdyData, free](https://datacircle.dev/company-technology-apis/nerdydata/free/llms.txt): $0.00 per 1,000, 23% 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 2026-11-05.

- https://adlibraryspy.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://adlibraryspy.com/SKILL.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://adlibraryspy.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://adlibraryspy.com/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing