Structured Data
Variants seen in the corpus:
Structured Datastructured-data
Providers using this tag (18)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Strong 4 Solid coverage with minor gaps
YoastYoast is the maker of the world's most popular WordPress SEO plugin, active on over 13 million sites, and i...WebScraping.AIWebScraping.AI is a web scraping API that returns the rendered HTML, visible text, CSS-selected fragments, ...ConfluenceAPIs for Atlassian Confluence - team collaboration and knowledge management software.BazaarvoiceBazaarvoice operates a retail and brand user-generated-content network that collects, moderates, syndicates...
Developing 8 Usable, with meaningful gaps to close
LlamaParseLlamaParse is an enterprise document parsing and AI pipeline platform from LlamaIndex that converts complex...ZenRowsZenRows is a Spanish web scraping platform headquartered in Madrid that lets developers collect public web ...ReductoReducto is an agentic document platform that provides a REST API for parsing, extracting, splitting, classi...QomplementQomplement is a San Francisco-based Y Combinator (Spring 2026) company building an AI-native platform for s...Robin AIRobin AI is a London-headquartered legal intelligence platform founded in 2019 by former Clifford Chance di...PubChemPubChem is NCBI's open chemistry database containing information on more than 100 million chemical compound...OpenMenuOpenMenu provides structured menu data and menu publishing for restaurants, built on the open OpenMenu Form...ScrapingBeeScrapingBee is a France-based web scraping API that handles headless browsers, proxy rotation, anti-bot def...
Thin 4 Limited public surface area
ScrapflyScrapfly is a web scraping API platform that enables effortless collection of web data with battle-tested A...Apache SparkApache Spark is a unified analytics engine for large-scale data processing. It provides high-level APIs in ...Schema.orgSchema.org is a collaborative, community-driven project that creates and maintains a shared vocabulary for ...RindlerRindler is a Y Combinator (Summer 2026) company that operates a hosted Model Context Protocol (MCP) server ...
Emerging 1 Early or largely undocumented
APIs with this tag (17)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Exemplar 1 Complete, well-documented, and agent-ready
Strong 4 Solid coverage with minor gaps
Yoast Schema Aggregator APIThe Yoast Schema Aggregator exposes a site's aggregated Schema.org structured data over the WordPress REST ...Yoast Schema APIThe Yoast Schema API provides a PHP interface for customizing the Schema.org JSON-LD structured data output...Confluence V2 Database APICreate and manage databases in Confluence using the v2 API.Bazaarvoice Authentic Discovery APIThe Authentic Discovery API is Bazaarvoice's generative-engine-optimization surface: a server-side call tha...
Developing 5 Usable, with meaningful gaps to close
LlamaParse Extract APIThe Extract API from LlamaParse — 5 operation(s) for extract.ZenRows Scraper APIsVertical, structured-data scraper endpoints for major commerce and real-estate sites, sharing the api.zenro...PubChem PUG View APIThe PUG View API provides access to the full structured compound and substance pages as seen on the PubChem...ScrapingBee Data Extraction APIThe Data Extraction API layers structured-data extraction rules on top of HTML API calls so callers receive...ScrapingBee Google Search APIThe Google Search API returns structured JSON SERP data covering organic results, knowledge graph, featured...
Thin 6 Limited public surface area
Scrapfly Extraction APIAI-powered structured data extraction from HTML content. Supports template-based extraction, LLM prompt-dri...Apache Spark SQL APISpark module for structured data processing with DataFrame and Dataset APIs. Provides a SQL interface and s...Schema.org JSON-LD ContextThe Schema.org JSON-LD Context provides the canonical JSON-LD context file for the Schema.org vocabulary. T...Schema.org Markup ValidatorThe Schema.org Markup Validator tests and validates structured data markup against the Schema.org vocabular...Schema.org VocabularySchema.org is a collaborative, community-driven vocabulary for structured data on the internet. It provides...Schema.org WebAPI TypeThe Schema.org WebAPI type defines a Web API accessible over Web and Internet technologies. It provides sta...
Emerging 1 Early or largely undocumented
Tools for tags
7 MCP tools reach this
find_tagsBrowse and filter every tag in the catalog.get_cohortThis tag as a scored cohort — every provider carrying it, with scores.cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This tag
curl "https://apis.io/api/v1/tags/structured-data"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/structured-data"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/structured-data/stats" \
-H "X-API-Key: $APIS_IO_KEY"Discovery needs no key. Ratings and market analysis are Pro.