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281 things you can do
APIs.io
APIs.io is an open-source API search engine and federated discovery network built on the APIs.json specification. It indexes API providers and their individual APIs across the public internet along with the machine-readable artifacts they publish — OpenAPI, AsyncAPI, GraphQL, Arazzo workflows, Postman collections, JSON Schema, JSON-LD contexts, Spectral rulesets, vocabularies, OAuth scopes, plans,
Works with AI assistants 4 multi-step recipesRecipes: multi-step jobs
Compare Keyword CoverageCompare APIs.io index coverage between two keywords by total page count.Paginate Search Results
Page through APIs.io keyword search results using the response page metadata.Search APIs by Keyword
Search APIs.io for a keyword and branch on whether any APIs matched.Submit and Verify API
Add an APIs.json to APIs.io and confirm the new API is searchable.
Other things you can do
Save a named searchDelete a saved searchSee what's new for a saved searchCreate a named shortlistDelete a shortlistAdd providers or APIs to a shortlistReport an error in a provider's listingClaim ownership of a provider listingCorrect a listing's name, description or tagsSubmit an artifact pointer for a listingRequest a restricted listing or removalDispute a finding in a provider's ratingRequest a re-profile of a provider or marketReport an API you looked for and did not findRegister an A2A agent by its card URLRequest a generated artifact you lackWatch a listing for score or band changesStop watching a listingDelete my accountUpdate my account settingsRevoke an API keySign out of the web sessionExchange a code or refresh token for accessRegister an OAuth client dynamicallyReplace a registered OAuth client's metadataDelete a registered OAuth clientPut a card on file for pay-as-you-goAdd prepaid creditSet top-up amount, floor and spend capsSubscribe to a paid planOpen the subscription billing portalSubmit an APIs.json to the search indexSubmit an API provider for review and listingGet the apis.io price mapList my saved searchesRe-run a saved searchList my shortlistsGet a shortlist with current ratingsBrowse curated API topic areasGet one curated area and its ranked providersShow the top-rated providers in an areaBrowse and filter APIs across the catalogGet the catalog record for one APIList one API's artifacts grouped by typeFind APIs similar to a given APIGet an API's primary OpenAPI definitionSee which artifacts can be generated for a providerProject a provider's score after a set of fixesGet a provider's ranked remediation listCheck a provider's unmet band gatesList a provider's missed Kin Score checksBrowse and filter API providers in the catalogLook up one provider's profileList the APIs one provider publishesGet a provider's current rating breakdownBrowse and rank the tag taxonomyGet one tag with its providers and neighborsFind groups of tags that travel togetherSee a tag group and the providers it coversList the member tags of a tag groupBrowse the industry taxonomyGet one industry and its ranked providersBrowse the geographic region taxonomyGet one region and its ranked providersSearch OpenAPI specs across all providersSearch AsyncAPI specs across all providersSearch Arazzo workflows across providersSearch Postman collections across providersSearch generic API collections across providersSearch GraphQL schemas across providersSearch JSON Schema definitions across providersSearch JSON Structure definitionsSearch JSON-LD contexts across providersSearch governance rulesets like SpectralSearch code examples across providersSearch FinOps artifacts across providersSearch published pricing plansSearch published rate-limit artifactsView the ranked ratings leaderboardRead the rating rubric behind scoresSearch APIs, providers, tags and artifacts togetherFind free, keyless APIs safe to trySearch AsyncAPI event channelsFind published MCP serversFind published Agent SkillsSearch OAuth scope sets across providersSearch security and auth scheme definitionsBrowse harvested OpenAPI x- extensionsGet one OpenAPI extension's provenanceBrowse the country taxonomyGet one country and its ranked providersSee the top-rated providers in a countryCompare providers side by sideBrowse the registered A2A agent registryRead the agent registration contractFind artifact and score gaps for providersSee catalog changes since a dateDesign a recommended API stackList every artifact a provider publishesGet a provider's getting-started detailsFind providers similar to a given oneSee how a provider's rating movedSee the top-rated providers in an industrySee the top-rated providers in a regionSee the biggest rating moversFind artifact gaps across an industryExport a designed stack as APIs.jsonGet the company insights overviewRank technology investment dimensionsRank services, tools and standards by adoptionSee profiled companies rolled up by industryBrowse companies by technology readinessGet one company's demand-side profileFind a company's weakest investment areasMatch providers to a company's adopted stackResolve a domain, URL or GitHub org to a providerEnrich a provider with chosen field groupsSearch venture-capital firmsGet one VC firm's profile and portfolio summaryList a VC firm's rated portfolioSee which VC firms back a providerExport the default ratings datasetExport a specific named datasetBrowse APIs.json indexes across the catalogBrowse every scored cohortCompare two cohorts side by sideGet a cohort and its member rosterGet score distribution stats for a cohortRank a cohort by score and agent readinessGet facet scores relative to the cohortSee what every cohort member publishesGet a provider's score at facet depthGet a provider's agent-readiness dimensionsCount what one provider publishesSee the evidence behind a provider's scoreGet editorial story leads from catalog movementList every operation a provider exposesList the MCP tools a provider shipsList every JSON Schema a provider publishesList the check requests I filedCheck the status of one check requestGet the service record and catalog sizeView my workspace root and planBrowse the business-capability modelGet one capability and who reaches itSee the evidence behind a capabilitySee what a vendor's APIs let a business doRank providers by agent readinessSee adoption of each agent-readiness dimensionProject a score from a few fixes via URLFind which providers expose a given pathList providers with deprecated operationsSee how a cohort's scores moved over timeFind the checks a cohort most often failsList the listings I'm watchingList corporate estatesGet one corporate estate and its membersFind the corporate estate a provider belongs toList the configured sign-in providersStart browser sign-in with an identity providerSee my identity, tier, key and usageExport all data held about meList my API keysBegin OAuth authorization with PKCERead a registered OAuth clientRead the pay-as-you-go mandate termsList the regulations the catalog tracksGet one regulation and the cohorts it bindsSearch APIs by keywordDiscover a domain's API surface before submittingShowing 170 of 277. 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