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Marketing, SEO & ads
1,645 listings from 1,155 providers, 1,323 answering · counted
Filed by addrbook from the words in each listing, so a heading says what a listing claims to be for.
Showing 1–25, one row per provider, those answering first · names and descriptions as their source publishes them
- Minifetch Technical SEO APIminifetch.comCheap robots.txt preflight check before you call the Minifetch /extract and /run/seo-page-audit endpoints: returns whether Minifetch may fetch a target URL (allow/deny) plus its crawl-delay. If blocked and the site is not yours try our external proxy routes. If blocked and the site is yours or to set a custom crawl-delay read https://minifetch.com/tutorials/unblock-minifetch Checks the URL as given — does not follow redirects. Supports GET & POSTLivechecked Evidence 2/4x402x402 Bazaar32 payers5 more from minifetch.com
- Google Trends SEO Keyword Datagoogle-trends.use.x402atlas.comGoogle Trends interest over time for a keyword — search popularity worldwide or for one country (geo) over a timeframe from the past hour to 2004-present (default: monthly since 2004), with ready-to-call links to the other Google Trends routes. For keyword research, SEO and demand trend analysis.Livechecked Evidence 2/4x402x402 Bazaar10 payers5 more from x402atlas.com
- x402.orthogonal.com/serper/autocompletex402.orthogonal.comGoogle Autocomplete - returns search query suggestions based on a prefix. Use for keyword research, SEO, understanding search intent, or building search-ahead UIs.Livechecked Evidence 1/4x402x402 Bazaar9 payers1 more from orthogonal.com
- api.obeliskapp.io/partner/v1/spy/adsapi.obeliskapp.ioSearch Obelisk's curated spy ad catalog when you need competitor creative examples by keyword, brand, or platform. Returns JSON ad cards. Use limit=1 for a cheap first call.Livechecked Evidence 1/4x402x402 Bazaar9 payers
- Interzoid Data APIsapi.interzoid.comPerson name matching and deduplication: generates an AI-powered similarity key for an individual's full name, so variations such as 'Bob Smith', 'Robert Smith', and 'Smith, Robert J.' produce the same key. Group records on the key to find duplicate contacts and customers across CRM, marketing, and customer datasets.Livechecked Evidence 1/4x402x402 Bazaar8 payers4 more from interzoid.com
- SEO Keyword Search Volume, CPCkeywords.duoleads.comGoogle search volume, CPC, competition, keyword difficulty and intent for up to 20 comma-separated keywords in one $0.04 GET (Google Ads data). Use when you need monthly search volume for a few keywords in a country. volume = avg monthly searches, cpc in USD, competition 0-1, difficulty 0-100. Up to 100 keywords for the same $0.04: POST /v1/keyword-overview. Keywords without data are listed in missing (still charged). Bad input is free; upstream errors are not charged.Livechecked Evidence 1/4x402x402 Bazaar8 payers25 more from duoleads.com
- shelf.thirdmade.net/probe/page-metashelf.thirdmade.netExtracts OG tags, canonical URL, title, and meta description from any web page. Useful for link previews, SEO audits, and content enrichment.Livechecked Evidence 1/4x402x402 Bazaar7 payers
- Kansai ADS-B Live APIx402-adsb.x402-adsb-worker.workers.devLive aircraft positions over Kansai / western Japan from an independent ADS-B receiver (~1s freshness): position, altitude, speed, squawk, plus callsign→route resolution (origin/destination airports) from official timetables.Livechecked Evidence 1/4x402x402 Bazaar7 payers
- AgentReaderagentreader.devGet structured metadata for any public web page in one call: title, meta description, canonical URL, Open Graph and Twitter card tags, favicons, JSON-LD schema types, language and the heading outline. Use it to build link previews and social cards, classify or dedupe URLs, and run SEO and AI-readability audits - far cheaper than fetching and parsing the whole page.Livechecked Evidence 1/4x402x402 Bazaar7 payers1 more from agentreader.dev
- 402post: Classified Ads & Jobs402post.comClassifieds board for AI agents: post a listing or classified ad (job posting, service offer, agent service, local service, wanted ad). Publish a listing: $0.005 USDC, live 30 days, read by people, search engines and agents. Dry run: POST /v1/posts/validate. Batch {"listings":[...]}, 1-15:$0.005 each (15 listings: $0.075). Same service: feature https://402post.com/v1/featured; renew https://402post.com/v1/renewals.Livechecked Evidence 1/4x402x402 Bazaar7 payers2 more from 402post.com
- SiteCheck Web Intelapi.webintel-api.workers.devOn-page SEO audit of one public page from its HTML only: title and description length, one H1, canonical link, language, viewport, robots meta, Open Graph tags, images without alt text, internal and external links, word count. Returns each check with its value and pass or fail. No Core Web Vitals, backlinks or keyword volumes.Livechecked Evidence 1/4x402x402 Bazaar6 payers1 more from webintel-api.workers.dev
- seo.forgemesh.io/v1/query-correctseo.forgemesh.ioCorrect likely spelling errors in an SEO queryLivechecked Evidence 1/4x402x402 Bazaar6 payers4 more from forgemesh.io
- Bazaar listing rank checkapexfaucet.xyzBazaar SEO for x402 sellers: where your endpoint ranks in Coinbase Bazaar search and what to fix. Where does your x402 endpoint come up when an agent searches Coinbase's Bazaar? Pass ?url= and optionally &query= (up to 3; left out, your own tags are searched). For each search: your rank in the top 20, the sellers above you with their price, tags and 30-day payers, the median price, and the concrete fixes (serviceName, tags, the words your description opens with).Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from apexfaucet.xyz
- Domain SEO traffic overviewseo.openverbs.comDomain overview: estimate a domain's Google SEO footprint — total organic and paid keywords, estimated traffic (ETV), traffic cost, and how many keywords rank in the top 3, top 10 and top 100. Fast website and domain SEO traffic overview and audit. Unknown domain returns found=false.Livechecked Evidence 1/4x402x402 Bazaar5 payers19 more from openverbs.com
- Quant Agent Shopquantagentshop.comOn-page SEO audit of one URL: redirects, title and description lengths, canonical, robots meta and robots.txt for Googlebot, GPTBot and ClaudeBot, hreflang, headings, image alt, links, Open Graph, JSON-LD, sitemap, security headers with a grade, and a list of issues. Use to check a page before or after publishing. Reads the first 300 KB; no JavaScript rendering. Social networks are refused. Typical response 1 to 3 s. Failed calls are not charged.Livechecked Evidence 1/4x402x402 Bazaar5 payers
- WebberSites x402 Data APIapi.webbersites.comAlt-text audit for any page: finds images with missing alt attributes, flags filename-as-alt and generic alt text, over-long alt, unlabeled svg[role=img], image-map areas and image inputs without alternatives. Counts decorative alt="" separately. For SEO and accessibility agents.Livechecked Evidence 1/4x402x402 Bazaar5 payers
- SiteCheck Health & Travelapi.healthtravel-api.workers.devFDA Purple Book licensed biological products matching a name (brand or proper name, e.g. adalimumab): applicant, BLA number, license type (351(a) originator, 351(k) biosimilar or interchangeable), strength, dosage form, route, marketing status, approval date, reference product and exclusivity expiry dates, plus the products newly approved or updated this month. From FDA's monthly Purple Book data download.Livechecked Evidence 1/4x402x402 Bazaar4 payers2 more from healthtravel-api.workers.dev
- HALOWERK creatorwerkcreator.halowerk.comTokenizes caller-supplied campaign and trend keywords, calculates overlap relative to the trend vocabulary, and flags any supplied blocked keyword. It neither discovers live trends nor recommends deception, impersonation or spam; its scoped purpose is a transparent relevance and brand-safety screen.Livechecked Evidence 1/4x402x402 Bazaar4 payers40 more from halowerk.com
- ZenSchedmcp.zensched.comZenSched `brand_create` — Create a brand — a section for unrelated lines of work (different clients/campaigns). Each brand points at a talent policy (geofencing, reminders, required forms). Optional color (#rrggbb). Pay-per-call $0.01 USDC; the paying wallet owns the org (auto-provisioned on first call). Catalog: https://mcp.zensched.com/x402/toolsLivechecked Evidence 1/4x402x402 Bazaar4 payers
- SiteCheckapi.sitecheck-api.workers.devSEO and sharing metadata of one web page, read from its HTML without JavaScript: final URL and status, title and description with their lengths, canonical, robots meta, lang, hreflang, Open Graph and Twitter card tags, JSON-LD types and objects, favicon, heading outline, word count, and an issues list of plain sentences. robots.txt is respected.Livechecked Evidence 1/4x402x402 Bazaar4 payers2 more from sitecheck-api.workers.dev
- AgentReaderagent-reader.agent-reader.workers.devGet structured metadata for any public web page in one call: title, meta description, canonical URL, Open Graph and Twitter card tags, favicons, JSON-LD schema types, language and the heading outline. Use it to build link previews and social cards, classify or dedupe URLs, and run SEO and AI-readability audits - far cheaper than fetching and parsing the whole page.Livechecked Evidence 1/4x402x402 Bazaar4 payers
- PageAuditpageaudit.onlinePageAudit: technical SEO audit of one page (score, issues, headers, JSON-LD), paid per callLivechecked Evidence 1/4x402x402 Bazaar4 payers
- AgentSiteAuditagentsiteaudit.comWebsite audit for AI agents: one URL in, one structured JSON report out, 69 checks with stable issue codes and exact fixes.Livechecked Evidence 1/4x402x402 Bazaar4 payers
- StableDomains Dropsstabledomains.netExpiring, pending-delete and just-dropped domains with backlink authority (Majestic referring subnets), Wayback archive history and brandability score. Registrable with USDC at stabledomains.net. Domain registration: buy domain names with USDC/USDT at stabledomains.net.Livechecked Evidence 1/4x402x402 Bazaar4 payers2 more from stabledomains.net
- URL Metadata Link Previewryumoon-x402-tools.ryumoon.workers.devURL metadata / link preview: title, description, Open Graph and Twitter tags, canonical URL, favicon, language, author/dates, RSS/Atom feeds, hreflang, robots and JSON-LD. Fast one-fetch SEO metadata. Charged only on success.Livechecked Evidence 1/4x402x402 Bazaar4 payers