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Search & Research

Search engines, academic indexes, news feeds and research agents that take a question and return sources rather than links to click yourself.

11,391 services with a source 475 pages

RxAtlas x402 REST usage

Search US drug products by NDC, brand, generic name, ingredient, manufacturer, dosage form, route, source, or identifier.

api.rxatlas.dev Search & Research 14 calls / 30d checked 2026-10-26
0.1 USDC per call per call

Long-tail keyword suggestions x402 REST usage

Keyword suggestions API: discover keywords to target from a website or page using Google Ads Keyword Planner data, with monthly search volume, CPC, advertising competition, bid estimates and monthly search history. Unlik...

seo.openverbs.com Search & Research 9 calls / 30d checked 2026-10-26
0.15 USDC per call per call

WithZero x402 REST usage

Generate images from a text prompt with xAI's Grok Imagine quality tier. Returns hosted image URLs.

agents.withzero.xyz Search & Research 27 calls / 30d checked 2026-10-26
0.05 USDC per call per call

Search x402 REST usage

PDL Person Search - Search across 3B+ person records using Elasticsearch DSL or SQL queries. Returns matching person records with pagination via scroll_token.

stable-people-data-git-pdl-signoz-usage-alarms-merit-systems.vercel.app Search & Research 32 calls / 30d checked 2026-10-26
0.04 USDC per call per call

Research x402 REST usage

Quick research: ask any question, get a concise sourced answer with key points, sources, a confidence rating, and anything that could not be verified.

api.lucasnode.app Search & Research 5 calls / 30d checked 2026-10-26
0.25 USDC per call per call

SearchPulse x402 REST usage

Grounded web search: question → answer + citations, powered by Bedrock Web Search.

searchpulse.waltsoft.net Search & Research 5 calls / 30d checked 2026-10-26
0.25 USDC per call per call

Research x402 REST usage

Premium AI-powered due-diligence report for autonomous agents: named decision makers with role and confidence, business summary, target customer, funding stage, risks, opportunities, recommended next actions, cross-verif...

api.qonoro.ai Search & Research 1 calls / 30d checked 2026-10-26
1.25 USDC per call per call

SocialFetch x402 REST usage

Search public LinkedIn posts site-wide by keyword (not scoped to one profile or company — use linkedin.profiles.posts.list or linkedin.company.posts.list for that).

api.socialfetch.dev Search & Research 88 calls / 30d checked 2026-10-26
0.014 USDC per call per call

Cited Research Report x402 REST usage

An AI-written Markdown report (about 500 to 900 words, 1200 to 1800 with length long) on a topic, company or token, built from Wikipedia, recent news, Hacker News, Bluesky and Lemmy discussions and, for kind company or t...

agentsvc.io Search & Research 2 calls / 30d checked 2026-10-26
0.6 USDC per call per call

X recent tweet search x402 REST usage

Search public tweets from the last 7 days on X (Twitter) by query, using X API v2 search operators (keywords, from:, #hashtag, lang:, -is:retweet). Returns up to 10 tweets per call with text, created time, language, enga...

agent402.tools Search & Research 15 calls / 30d checked 2026-10-26
0.08 USDC per call per call

SAVER Verifier x402 REST usage

Verify factual claims and check whether cited sources support them. Fact-check statistics, dates and source attributions in agent research and reports against web evidence, preserving reporting periods, units and populat...

api.saververify.com Search & Research 6 calls / 30d checked 2026-10-26
0.2 USDC per call per call

Keyword volume history x402 REST usage

Keyword volume history API: get Google monthly search volume history for a list of keywords, back to 2019: a per-keyword month-by-month search-volume time series plus current CPC and competition. For spotting seasonality...

seo.openverbs.com Search & Research 8 calls / 30d checked 2026-10-26
0.15 USDC per call per call

Ai search volume x402 REST usage

Modeled AI question-demand indicator based on DataForSEO signals including People Also Ask; not actual assistant query logs. Available monthly history, up to 1000 keywords.

agent.connskill.com Search & Research 24 calls / 30d checked 2026-10-26
0.05 USDC per call per call

News search x402 REST usage

News search: live Google News results for a query, localised by location and language. Returns ranked articles with title, URL, domain and, where available, source and timestamp. Real-time news API for current events and...

search.openverbs.com Search & Research 117 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Search x402 REST usage

Search Apollo database for companies matching filters. Returns up to 100 results per page.

x402.orthogonal.com Search & Research 114 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Keyword ideas x402 REST usage

Keyword suggestions for a seed keyword, with search volume and CPC

agent.connskill.com Search & Research 38 calls / 30d checked 2026-10-26
0.03 USDC per call per call

Google Trends Interest by Region x402 REST usage

Google Trends interest by region for a keyword. Returns the subregional breakdown of Google Trends search interest inside a country - by state, province, or region - each ranked 0-100 relative to the strongest region. Fo...

api.kadec0.xyz Search & Research 38 calls / 30d checked 2026-10-26
0.03 USDC per call per call

Multi-Model Research Synthesis x402 REST usage

Conduct one live-web research task with 2-7 buyer-selected open-weight analyst models, then use a buyer-selected synthesis model to produce one structured, cited research report. Reconciles agreements, disagreements, con...

api.ai-open-models.com Search & Research 2 calls / 30d checked 2026-10-26
0.545956 USDC per call per call

Citations, References, Cited-By x402 REST usage

Citation lookup and reference list for a paper. Given a DOI, arXiv id, OpenAlex id, or PMID, returns its references (the works it cites) and its cited-by list (recent works that cite it), plus full metadata and citation...

api.kadec0.xyz Search & Research 36 calls / 30d checked 2026-10-26
0.03 USDC per call per call

Keywords a domain ranks for x402 REST usage

Get the Google organic keywords a domain already ranks for, each with its ranking position, ranking URL, monthly search volume, CPC, difficulty and search intent. For competitor and site SEO audits. Unknown domain return...

seo.openverbs.com Search & Research 21 calls / 30d checked 2026-10-26
0.05 USDC per call per call

Press release x402 REST usage

Launch announcement for AI agents: give a product URL, get a ~400-word AP-style press release drafted from the page and published on a public, search-indexed newsroom page (IndexNow ping to Bing/Yandex included). Synchro...

agent-press-wire.dylan-caponi.workers.dev Search & Research 1 calls / 30d checked 2026-10-26
1 USDC per call per call

Verify claim x402 REST usage

Verify claim. Checks one factual claim against public sources (Wikipedia) and returns a verdict (supported, contradicted, outdated, mixed or insufficient_evidence) with confidence, a short reason, the quote and source UR...

claim-grounding.prospectintel.workers.dev Search & Research 1 calls / 30d checked 2026-10-26
1 USDC per call per call

Schema x402 REST usage

JSON-LD Schema.org markup generation for AI search visibility — FAQPage, Product, Service, LocalBusiness, HowTo and more. Boosts AI citations and rich results. 0.50 USDC.

aeonos.basechainlabs.com Search & Research 2 calls / 30d checked 2026-10-26
0.5 USDC per call per call

EU Trademark Search (EUIPO) x402 REST usage

EU trademark search (EUIPO) — find registered and pending EU trademarks by name, optionally filtered by Nice class; returns trademark names, application numbers, status, owners, classes and key dates as clean JSON.

euipo.use.x402atlas.com Search & Research 2 calls / 30d checked 2026-10-26
0.5 USDC per call per call

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