# Kadec0, pay as you go, x402 pay per call, GET /v1/serp: Web search API

> Keyless web search returning ranked title, URL, and snippet for a query, with locale/region targeting, freshness filters, pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).

Kadec0's x402 pay per call plan for the web search API costs $50.00 per 1,000 searches. We check each provider's docs for 6 fields. Kadec0's docs list 2: Date, Text.
We haven't run Kadec0 through [our web search API benchmark](https://datacircle.dev/best-web-search-api.txt) yet.
We rank 816 plans for web search APIs by price. Half the plans cost $4.00 or less per 1,000 searches. This plan costs less per 1,000 searches than 8% of the 816 plans.
[SerpScraper.dev's $499 monthly plan](https://datacircle.dev/web-search-apis/serpscraper-dev/499-monthly/llms.txt) is the cheapest paid plan per 1,000 searches: $0.033. [Octen's top-up plan](https://datacircle.dev/web-search-apis/octen/top-up-from-5-base-post-pulse-search-pulse-search/llms.txt) costs the least for 10,000 searches a month: $5.00.
[Levirge's $29 monthly plan](https://datacircle.dev/web-search-apis/levirge/29-monthly/llms.txt) covers any number of searches. Levirge's $29 monthly plan costs less up front than SerpScraper.dev's $499 monthly plan.
[Clawifi](https://datacircle.dev/web-search-apis/clawifi/299-monthly/llms.txt), [Desearch](https://datacircle.dev/web-search-apis/desearch/top-up/llms.txt) and [SerpScraper.dev](https://datacircle.dev/web-search-apis/serpscraper-dev/19-monthly/llms.txt) are the best web search API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/web-search-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-serp
- [Web search API in 2026: the best of 60+ providers compared](https://datacircle.dev/best-web-search-api.txt)
- Get it: https://api.kadec0.xyz/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing
- Request: `GET https://api.kadec0.xyz/v1/serp`
- API key: not needed
- Its API docs: https://api.kadec0.xyz/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing#/default/handler_v1_serp_get
- Sold by: Kadec0 (https://api.kadec0.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-search-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 33%
- Date: ✓
- Text: ✓

## Price

- $ per 1,000 searches: $50.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Keyless web search returning ranked title, URL, and snippet for a query, with locale/region targeting, freshness filters, pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).

## 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: q. Optional: num_results, region, timelimit, safesearch, page, mode "web" or "news", engine
- Method: GET
- Path: /v1/serp

## 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 7 fields the plan's answer can hold

query, result position, page title, URL, snippet, published date, source name

## Kadec0's plans (1)

- [Kadec0, pay as you go, x402 pay per call, GET /v1/serp](https://datacircle.dev/web-search-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-serp/llms.txt): $50.00 per 1,000, 33% complete

## Kadec0's calls for this API (4)

- `GET /v1/serp-batch`: [Kadec0, pay as you go, x402 pay per call, 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)
- `GET /v1/serp-multi`: [Kadec0, pay as you go, x402 pay per call, 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)
- `GET /v1/serp-read`: [Kadec0, pay as you go, x402 pay per call, 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)
- `GET /v1/serp`: [Kadec0, pay as you go, x402 pay per call, GET /v1/serp](https://datacircle.dev/web-search-apis/kadec0/pay-as-you-go-x402-pay-per-call-get-v1-serp/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](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: web search API alternatives

- [fastCRW, $132 yearly, Hobby, POST /v1/search, Search, full](https://datacircle.dev/web-search-apis/fastcrw/132-yearly-hobby-post-v1-search-search-full/llms.txt): $48.40 per 1,000, 33% complete
- [Linkup, top-up, Pay as you go, POST /v1/search, Search, deep](https://datacircle.dev/web-search-apis/linkup/top-up-pay-as-you-go-post-v1-search-search-deep/llms.txt): $50.00 per 1,000, 17% complete
- [QuanticData, top-up from $5](https://datacircle.dev/web-search-apis/quanticdata/top-up-from-5/llms.txt): $50.00 per 1,000, 33% complete, live
- [Ilmenite, $5 pack, Top-up $5, POST /v1/search, Search, full](https://datacircle.dev/web-search-apis/ilmenite/5-pack-top-up-5-post-v1-search-search-full/llms.txt): $52.00 per 1,000, 33% 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 2026-11-09.

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