x402watch
All categories

Search Engine

search_engine

services
120
24h volume
$1.55
24h transactions
183
real volume
1.0%

24h volume — last 30 days

Daily snapshot of the rolling 24-hour USDC volume for this category.

Buyer label distribution

Share of the category's last-30-day transactions by buyer label.

Price distribution

Number of services per price bucket.

Top services

Ranked by 30-day transaction count.

#ServicePrice30d TxReal %
1
Exa /search endpoint
api.exa.ai
$0.007069,8880%
2
Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At
x402.twit.sh
$0.01001,16634%
3
Private web search for AI agents — zero logging, no tracking, no human signup required. Pay-per-query with USDC, no API
search.reversesandbox.com
$0.002020%
4
Purchase: Web Search (Brave)
api.the402.ai
250%
5
One-shot fallback endpoint: pay $0.01 USDC on Base to get the latest non-retweet, non-reply tweet from an X account. Not
x402.moltie.co
250%
6
Global law search across JP/US/UK/EU legislation databases
law-mcp.toulaw.workers.dev
$0.010020%
7
Search x402 Resources
resources.x402scan.com
10%
8
Search the web for any topics. MANDATORY: Use time_filter for ANY time-sensitive requests. Domain filtering should be em
mesh.heurist.xyz
00%
9
Search PyPI for Python packages — find libraries, frameworks, and developer tools. AI agent API for Python ecosystem res
scout.hugen.tokyo
$0.005000%
10
Get the latest tweets from a Twitter/X List by its numeric List ID. Returns ~100 tweets per page with pagination support
x402.twit.sh
$0.010000%
11
Search Twitter/X for tweets, hashtags, users, and retrieve worldwide trending topics.
orbisapi.com
$0.005000%
12
Google organic search results. Returns top URLs, titles, descriptions ranked by relevance. Accepts any query. Optional:
serp-x402.vercel.app
$0.005000%
13
Get keyword suggestions from Google Autocomplete. Returns suggestions, questions, comparisons, long-tail keywords. SQS:
api.strale.io
00%
14
Extracts all links from a URL categorized by type (internal/external/anchor) with SEO metadata. Detects image links, nof
minifetch.com
$0.002000%
15
Web search — returns top 10 results (title, URL, snippet) for any query. Powered by Brave Search.
httpay.xyz
00%
16
DuckDuckGo search tool has comprehensive web search capabilities, smart text parsing from web pages, built-in rate limit
api-dev.intra-tls2.dctx.link
00%
17
Analyze Google search results for a keyword. Returns organic results, featured snippet, People Also Ask, SERP features.
api.strale.io
00%
18
Bing organic search results. Alternative to Google with different ranking signals — useful for cross-referencing or when
serp-x402.vercel.app
$0.004000%
19
Search Google for brand mentions. Returns URLs, titles, snippets, sentiment, and source type. Every result is a clickabl
api.strale.io
00%
20
Look up patent classification codes by technology description
orbisapi.com
$0.001000%
How are these labels calculated? Read the methodology →