Name: keyword-suggest
Price: 0.002 USDC
Availability: InStock

$ man keyword-suggest

agentutility / web-probe / keyword-suggest

PRICE / CALL

$0.002

USDC · base mainnet · scheme: exact

METHOD

POST

CLUSTER

webprobe

CATEGORY

uncategorized

STATUS

● live

NAME

keyword-suggest — keyword autocomplete / search suggest / seo keyword research / query expansion / autocomplete suggestions

SYNOPSIS

POST https://x402.org/v1/keyword-suggest
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }

↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.

DESCRIPTION

Keyword autocomplete / search suggest / SEO keyword research / query expansion / autocomplete suggestions. Aggregates suggestions from Wikipedia OpenSearch + DuckDuckGo's autocomplete (both public, no auth) into a de-duplicated ranked list. Useful for SEO content-gap analysis, LLM query expansion, agent-driven research.

INPUT — request schema

property	type	description	req?
query	string	Seed query.	required
limit	number	1-50. Default 10.	optional
source	string	Default 'all'. enum: wikipedia · duckduckgo · all	optional
lang	string	Wikipedia language code, e.g. 'en', 'es'. Default 'en'.	optional

OUTPUT — response shape

field	type	description
query	string	Echoes back the input search query that suggestions were generated for.
suggestions	string	Ranked, de-duplicated list of autocomplete keyword suggestions merged from Wikipedia and DuckDuckGo.
count	string	Total number of unique suggestions returned in the merged list.
per_source	string	Per-source breakdown showing which suggestions came from Wikipedia OpenSearch vs DuckDuckGo autocomplete.
attribution	string	Source attribution string crediting Wikipedia OpenSearch and DuckDuckGo as the upstream suggestion providers.

EXAMPLES — two ways to call

EXAMPLE 1 · curl

curl -X POST https://x402.org/v1/keyword-suggest \
  -H 'Content-Type: application/json' \
  -d '{ }'

first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.

EXAMPLE 2 · mcp

# install once
claude mcp add x402 --command "npx x402-deployer-mcp"

# then ask Claude Code:
# "use the keyword-suggest tool to ..."

MCP server handles payment automatically — your coding agent just calls the tool by name.

METADATA

tags: web-probeseokeyword-researchautocompletequery-expansionsearch-suggestcontent-gap-analysiskeyword-suggest
methods: POST
cluster: webprobe
price: $0.002 USDC per call

ADJACENT — other endpoints in webprobe

endpoint	description	price
arxiv-bibtex	arXiv to BibTeX / arxiv citation generator / paper bibtex / LaTeX citation builder / academic citation lookup.	$0.002
github-readme	GitHub README fetch / repo readme / open-source-readme-as-markdown / package documentation puller.	$0.002
qr-code-decode	QR decoder / QR reader / scan QR from URL / QR code OCR / barcode reader / link extraction from QR.	$0.002
hacker-news-search	Hacker News search / HN search / yc-news / Algolia HN.	$0.001
hn-search	HN search / Hacker News search / yc-news / startup-news search / Algolia HN / who-is-hiring scraper / programmer-news firehose.	$0.001
homoglyph-check	Homoglyph attack detector / Unicode lookalike scanner.	$0.003
ip-asn	IP to ASN / IP geolocation / IP-to-ISP lookup / WHOIS for IP / cloud-provider attribution.	$0.001
jwt-decode	JWT decoder / token inspector / debug tool.	$0.003

/keyword-suggest(1)