Use Case

Search & Discovery

Full-text, faceted, and enterprise search experiences.

15 providers 57 APIs 10 declared variants

Indexing content and serving relevant results — site and enterprise search across internal systems, faceting, ranking, typeahead, and search-engine result data.

15 API providers on the APIs.io network offer search & discovery. The highest-rated are Merge, APILayer, positionstack, Amazon CloudSearch, Amazon Comprehend.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 2 Complete, well-documented, and agent-ready
MergeMerge is the connective infrastructure for production AI. The Merge Unified API offers one API surface acro...10 APIs72.0APILayerAPILayer is an API marketplace and hub, an Idera, Inc. brand headquartered in Vienna, Austria, that publish...6 APIs67.2
Strong 3 Solid coverage with minor gaps
positionstackForward and Reverse Batch Geocoding REST API by positionstack (an apilayer product, owned by Idera, Inc.). ...1 API64.2Amazon CloudSearchAmazon CloudSearch is a managed search service that makes it easy to set up, manage, and scale a search sol...1 API58.2Amazon ComprehendAmazon Comprehend is a natural language processing (NLP) service that uses machine learning to uncover info...1 API56.1
Developing 5 Usable, with meaningful gaps to close
ContinueContinue is the open-source AI code assistant for VS Code and JetBrains, distributed under Apache 2.0. The ...1 API50.0DatamuseDatamuse operates a word-finding query engine and lexical search service for developers, educators, and cre...1 API47.8Apache NutchApache Nutch is a highly extensible and scalable open-source web crawler software project built on Apache H...1 API42.7Apache SolrApache Solr is an open-source enterprise search platform built on Apache Lucene. It provides distributed in...1 API41.9Apache HelixApache Helix is a generic cluster management framework for partitioned and replicated distributed resources...1 API39.8
Thin 3 Limited public surface area
ApifyApify is a full-stack web scraping and browser automation platform that enables developers to build, run, a...6 APIs36.5Apache TikaApache Tika is a toolkit for detecting and extracting metadata and structured text content from over 1,000 ...13 APIs35.1Apache LuceneApache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It ...1 API27.8
Emerging 2 Early or largely undocumented
Shelf.ioShelf.io is the first knowledge automation platform and next-generation AI agentic platform for knowledge m...3 APIs25.0Apache OpenNLPApache OpenNLP is a machine learning based toolkit for the processing of natural language text. It supports...10 APIs23.3

What Providers Actually Declared

This use case is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

Address AutocompleteAutocomplete and Type-AheadEnterprise SearchEnterprise searchLocal autocomplete with OllamaSearch Engine DataSearch EnhancementSearch Index Partition ManagementSearch IndexingWebsite Search

Scroll for all 10

Work with this as data

Every use case here is available over the APIs.io API and to AI agents over MCP. Use Cases is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.

MCP server

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Tools for use cases

3 MCP tools reach this
  • 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.
All 92 tools →

Call it yourself

curl for this page
Search the catalog 
curl "https://apis.io/api/v1/search?q=search-discovery&limit=10"
Everything under a tag 
curl "https://apis.io/api/v1/tags/search-discovery"

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