# Kadec0, pay as you go: Tech stack API

> Company domain enrichment. Firmographics, tech-stack detection, social profiles, and metadata for a company domain - a keyless one-call enrichment gateway.

Kadec0's x402 pay per call plan for the tech stack API costs $150.00 per 1,000 companies. We check each provider's docs for 13 fields. Kadec0's docs list 1: Technology.
We haven't run Kadec0 through [our tech stack API benchmark](https://datacircle.dev/best-tech-stack-api.txt) yet.
We rank 450 plans for tech stack APIs by price. Half the plans cost $7.155 or less per 1,000 companies. This plan costs less per 1,000 companies than 6% of the 450 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 [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/kadec0/pay-as-you-go
- [Company technologies API: tech stack APIs compared](https://datacircle.dev/best-tech-stack-api.txt)
- Get it: https://api.kadec0.xyz/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- Request: `GET https://api.kadec0.xyz/v1/enrich`
- API key: not needed
- Its API docs: https://api.kadec0.xyz/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing#/default/handler_v1_enrich_get
- Sold by: Kadec0 (https://api.kadec0.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 8%
- Technology: ✓

## Price

- $ per 1,000 companies: $150.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Company domain enrichment. Firmographics, tech-stack detection, social profiles, and metadata for a company domain - a keyless one-call enrichment gateway.

## Data

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

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /v1/enrich

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone with a wallet paying each call in USDC on Base (x402), with no account or API key

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

domain, technologies

## Kadec0's plans (1)

- [Kadec0, pay as you go](https://datacircle.dev/company-technology-apis/kadec0/pay-as-you-go/llms.txt): $150.00 per 1,000, 8% complete

## Kadec0's calls for this API (1)

- `GET /v1/enrich`: [Kadec0, pay as you go](https://datacircle.dev/company-technology-apis/kadec0/pay-as-you-go/llms.txt)

## Kadec0's APIs (9)

- [Kadec0: GitHub repository API pricing, 1 plan](https://datacircle.dev/github-repository-apis/kadec0/pay-as-you-go/llms.txt)
- [Kadec0: Hacker News search API pricing, 1 plan](https://datacircle.dev/hacker-news-search-apis/kadec0/pay-as-you-go/llms.txt)
- [Kadec0: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/kadec0/pay-as-you-go/llms.txt)
- [Kadec0: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/kadec0/pay-as-you-go/llms.txt)
- [Kadec0: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/kadec0/pay-as-you-go/llms.txt)
- [Kadec0: related keywords API pricing, 1 plan](https://datacircle.dev/related-keywords-apis/kadec0/pay-as-you-go/llms.txt)
- [Kadec0: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/kadec0/pay-as-you-go/llms.txt)
- [Kadec0: web search API pricing, 1 plan, GET /v1/serp-batch](https://datacircle.dev/web-search-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-serp-batch/llms.txt)
- [Kadec0: web search API pricing, 1 plan, GET /v1/serp-multi](https://datacircle.dev/web-search-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-serp-multi/llms.txt)
- [Kadec0: web search API pricing, 1 plan, GET /v1/serp-read](https://datacircle.dev/web-search-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-serp-read/llms.txt)
- [Kadec0: web search API pricing, 1 plan, GET /v1/serp](https://datacircle.dev/web-search-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-serp/llms.txt)
- [Kadec0: domain WHOIS API pricing, 1 plan, GET /v1/whois-bulk](https://datacircle.dev/domain-whois-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-whois-bulk/llms.txt)
- [Kadec0: domain WHOIS API pricing, 1 plan, GET /v1/domain-age-check](https://datacircle.dev/domain-whois-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-domain-age-check/llms.txt)
- [Kadec0: domain WHOIS API pricing, 1 plan, GET /v1/domain-info](https://datacircle.dev/domain-whois-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-domain-info/llms.txt)

## Kadec0: tech stack API alternatives

- [BuiltWith, $295 monthly, Basic, GET /v26/api.json, Domain API](https://datacircle.dev/company-technology-apis/builtwith/295-monthly/llms.txt): $147.50 per 1,000, 85% complete, stored
- [Ploid, $600 monthly](https://datacircle.dev/company-technology-apis/ploid/600-monthly/llms.txt): $150.00 per 1,000, 23% complete, 30 days
- [Interzoid, $7,500 yearly, 100,000 Credits (annual), POST /enrich](https://datacircle.dev/company-technology-apis/interzoid/7500-yearly-100000-credits-annual-post-enrich/llms.txt): $156.25 per 1,000, 8% complete, live
- [Bassethound, $49.99 monthly](https://datacircle.dev/company-technology-apis/bassethound/49-99-monthly/llms.txt): $166.633 per 1,000, 15% 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 2026-11-09.

- https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.kadec0.xyz/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.kadec0.xyz/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.kadec0.xyz/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing
- https://api.kadec0.xyz/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=tech-stack-api-pricing