# Gapup, pay as you go: Tech stack API

> What is the tech stack of <domain> — frontend, CMS, analytics, CRM, CDN, hosting?

Gapup's x402 plan for the tech stack API costs $30.00 per 1,000 companies. We check each provider's docs for 13 fields. Gapup's docs list 1: Technology.
We haven't run Gapup through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
We rank 469 plans for tech stack APIs by price. Half the plans cost $6.32 or less per 1,000 companies. This plan costs less per 1,000 companies than 23% of the 469 plans.
[cl0q's $50 monthly plan](https://datacircle.dev/company-technology-apis/cl0q/50-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: $0.0042. [Enterno's ₽2,511 yearly plan](https://datacircle.dev/company-technology-apis/enterno/2511-yearly-explorer-get-api-v4-cms/llms.txt) costs the least for 10,000 companies a month: about $2.50.
[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 cl0q's $50 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 [Botoi](https://datacircle.dev/company-technology-apis/botoi/9-monthly/llms.txt) are the best tech stack API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-technology-apis/gapup/pay-as-you-go
- [Company technologies API: tech stack APIs compared](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://mcp.gapup.io/docs/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `POST https://mcp.gapup.io/api/v1/call/domain_tech_identity`
- API key: not needed
- Its API docs: https://mcp.gapup.io/docs/tools/domain_tech_identity?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Sold by: Gapup (https://mcp.gapup.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 8%
- Technology: ✓

## Price

- $ per 1,000 companies: $30.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: What is the tech stack of <domain> — frontend, CMS, analytics, CRM, CDN, hosting?

## Data

- Keep data: no limit
- Use data: Authorized: legitimate AI agents, B2B integrations, security testing on owned assets, research, educational use. Prohibited: violation of applicable law, mass automated outreach without consent, circumventing rate limits, reverse-engineering for cloning, scraping catalog for competing products, fraud, mass-targeted attacks

## Plan

- Pay: per call

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call or by polling

## The call

- You send: args.target_domain, args.focus, args.depth. Optional: args.async
- Method: POST
- Path: /api/v1/call/domain_tech_identity

## About the plan

- Plan: x402
- Who can get it: anyone

## The 9 fields the plan's answer can hold

frontend, CMS, analytics, CRM, CDN, hosting, security headers, buying signals, vendor risk

## Gapup's plans (1)

- [Gapup, pay as you go](https://datacircle.dev/company-technology-apis/gapup/pay-as-you-go/llms.txt): $30.00 per 1,000, 8% complete

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

- `POST /api/v1/call/domain_tech_identity`: [Gapup, pay as you go](https://datacircle.dev/company-technology-apis/gapup/pay-as-you-go/llms.txt)

## Gapup's APIs (6)

- [Gapup: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/gapup/pay-as-you-go/llms.txt)
- [Gapup: similar companies API pricing, 1 plan](https://datacircle.dev/similar-company-apis/gapup/pay-as-you-go/llms.txt)
- [Gapup: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/gapup/pay-as-you-go/llms.txt)
- [Gapup: keyword research API pricing, 1 plan](https://datacircle.dev/keyword-research-apis/gapup/pay-as-you-go/llms.txt)
- [Gapup: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/gapup/pay-as-you-go/llms.txt)
- [Gapup: web search API pricing, 1 plan](https://datacircle.dev/web-search-apis/gapup/pay-as-you-go/llms.txt)

## Gapup: tech stack API alternatives

- [WebTechSurvey, $300 monthly, Business, GET /v1/domaininfo](https://datacircle.dev/company-technology-apis/webtechsurvey/300-monthly-business-get-v1-domaininfo/llms.txt): $30.00 per 1,000, 46% complete, 1 month
- [Glowe Websites, pay as you go](https://datacircle.dev/company-technology-apis/glowe-websites/pay-as-you-go/llms.txt): $30.00 per 1,000, 8% complete, live
- [Qonoro, pay as you go](https://datacircle.dev/company-technology-apis/qonoro/pay-as-you-go/llms.txt): $30.00 per 1,000, 8% complete
- [Superdata, $50 pack](https://datacircle.dev/company-technology-apis/superdata/50-pack/llms.txt): $30.00 per 1,000, 8% 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 2026-11-10.

- https://mcp.gapup.io/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://mcp.gapup.io/api/v1/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://mcp.gapup.io/api/v1/tools/domain_tech_identity?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://mcp.gapup.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://mcp.gapup.io/docs/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://mcp.gapup.io/docs/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://mcp.gapup.io/docs/tools/domain_tech_identity?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing