established · -0.2 capability schema

Functions

Score 26.0 / 100 7 providers +52 via APIs 59 APIs Search apis.io →
Workflows using this tag
AWS Lambda Deploy a Function and Verify It Runs · AWS Lambda AWS Lambda Tag a Function for Cost Allocation · AWS Lambda AWS Lambda Cap a Function with Reserved Concurrency · AWS Lambda AWS Lambda Wire an Event Source to a Function · AWS Lambda AWS Lambda Find a Compatible Layer Version to Attach · AWS Lambda AWS Lambda Audit a Function's Versions, Aliases, and Event Sources · AWS Lambda AWS Lambda Tear a Function Down in Dependency Order · AWS Lambda AWS Lambda Shift Canary Traffic Across Two Versions · AWS Lambda
Business capabilities this tag reaches
Information Technology Management 3

Providers using this tag (7)

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

Developing 4 Usable, with meaningful gaps to close
FermyonComputeWebAssemblyServerless2 APIs53.8Azure Function AppsAzureComputeFunction-as-a-Service1 API47.6Google Cloud FunctionsEvent-DrivenGoogle CloudServerless1 API47.1ConvexBackendDatabaseReal-Time3 APIs45.4
Thin 2 Limited public surface area
PubNubReal-TimeWebSocketPub-SubIoT2 APIs32.6Apache OpenWhiskCloud-NativeEvent-DrivenFunction-as-a-ServiceServerless6 APIs27.1
Emerging 1 Early or largely undocumented
SSTServerlessInfrastructure as CodeCloudflareTypeScript2 APIs21.0

APIs with this tag (58)

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 11 Complete, well-documented, and agent-ready
HubSpot Functions APIThe Functions API from HubSpot — 3 operation(s) for functions.91.6Shopify Discount Function APIThe Discount Function API enables developers to create a single discount that applies to cart lines, order ...83.9Telnyx Functions APIThe functions API from Telnyx — 5 operation(s) for functions.79.6Adobe Suite Functions APIMapping-set functions allow you to transform your data between source and destination schemas. You can use ...78.3Microsoft Azure Functions APIAzure Functions is an event-driven serverless compute platform that enables developers to build and run app...76.2Power Query M Formula LanguageAPI and language reference for the M formula language used in Power Query for data transformation expressio...75.8AWS Lambda Functions APICreate, configure, invoke, and manage Lambda functions69.8AWS Lambda Runtime APIThe Lambda Runtime API enables you to use custom runtimes to run functions in any programming language. The...69.8Azure Functions Runtime APIThe Azure Functions host runtime provides HTTP endpoints for function invocation, admin operations, host st...69.4Couchbase Functions APIEndpoints for creating, retrieving, updating, and deleting Eventing Functions.68.8CloudFront Functions APIThe Functions API from CloudFront — 2 operation(s) for functions.67.2
Strong 14 Solid coverage with minor gaps
OCI Functions APIFully managed, serverless Functions-as-a-Service platform built on the open source Fn Project engine, suppo...66.0Databricks Functions APIThe Databricks Functions API is part of Unity Catalog and allows you to create, list, and delete user-defin...65.3Modal Functions and Remote InvocationDecorate Python functions with @app.function to run them remotely on Modal's cloud. Invoke deployed functio...64.5Modal Functions APIDefines, deploys, and invokes serverless Python Functions on Modal with per-function GPU/CPU/memory configu...64.5Amigo Functions APIThe Functions API from Amigo — 4 operation(s) for functions.64.3Webex Functions APIThe Functions API from Webex — 7 operation(s) for functions.63.8Swell Apps PlatformSwell Apps extend the platform with custom data models (added fields or new entities), events (triggering f...63.6Seekr Functions APIThe Functions API from Seekr — 4 operation(s) for functions.63.0Inngest Functions APIList and invoke deployed Inngest functions.60.7Bem Functions APIFunctions are the core building blocks of data transformation in Bem. Each function type serves a specific ...60.1Zavu Functions APIThe Functions API from Zavu — 12 operation(s) for functions.60.1Skai (Kenshoo) Functions APIThe Functions API from Skai (Kenshoo) — 1 operation(s) for functions.59.7Amazon Web Services Functions APIThe Functions API from Amazon Web Services — 3 operation(s) for functions.59.6Cribl Functions APIRetrieve available processing functions that can be used within pipelines for data transformation.54.4
Developing 19 Usable, with meaningful gaps to close
Fermyon Wasm FunctionsFermyon Wasm Functions is a multi-tenant, hosted, globally distributed engine for serverless functions runn...53.8Adobe I/O RuntimeA serverless computing platform built on Apache OpenWhisk that enables developers to deploy and execute cus...53.4Microsoft Excel Functions APIWorkbook function operations.52.0Scaleway Functions APIA function defines a procedure on how to change one element into another. The function remains static, whil...51.6Knative FunctionsKnative Functions enables developers to create, build, and deploy stateless, event-driven functions as Knat...48.4Crossplane Functions APIFunctions are Crossplane packages that contain Composition Functions, which are OCI container images invoke...47.2Google Cloud Functions APIOperations for managing cloud functions47.1Braintrust Functions APIThe Functions API from Braintrust — 3 operation(s) for functions.45.6Digital Ocean Functions API[Serverless functions](https://docs.digitalocean.com/products/functions) are blocks of code that run on dem...45.6Zoho Cliq Functions APIFunctions Module45.6Convex Functions APIExecute any deployed function by its identifier using the unified run endpoint, which accepts the function ...45.4Azure Stream Analytics Functions APIThe Functions API from Azure Stream Analytics — 1 operation(s) for functions.42.9Supabase Functions APIDeploy and manage Edge Functions for serverless compute at the edge.42.9segment Functions APIOperations for managing custom functions that transform or enrich data flowing through Segment.42.7Nhost Serverless Functions APIDeploy JavaScript and TypeScript serverless functions as HTTP API endpoints for webhooks, event triggers, a...42.1OpenObserve Functions APIFunctions retrieval & management operations41.7Cognite Functions APIFunctions enables Python code to be hosted and executed in the cloud, on demand or by using a schedule. Exe...41.5Microsoft Excel (Advanced) Functions APIWorkbook function calls40.9Glia Functions APIGlia Functions is a serverless JavaScript runtime (workerd) inside the Glia platform, with REST endpoints f...39.7
Thin 8 Limited public surface area
Blaxel Functions APIThe Functions API from Blaxel — 3 operation(s) for functions.35.0ACI.dev Functions APIThe functions API from ACI.dev — 3 operation(s) for functions.34.9Apache Geode Functions APIThe Functions API from Apache Geode — 2 operation(s) for functions.33.7Sieve Functions APILook up metadata for public and custom functions.33.6PubNub FunctionsEdge serverless functions executed on PubNub's network in response to messages, presence events, or HTTP tr...32.6Apache Pulsar Functions APIThe Functions API from Apache Pulsar — 3 operation(s) for functions.31.0Amazon AppSync Functions APIManage reusable pipeline resolver functions30.3Primitive Functions APIDeploy JavaScript handlers that run on inbound mail. Each function is a single ESM module whose default exp...27.1
Emerging 4 Early or largely undocumented
Integry Functions APIThe Functions API from Integry — 4 operation(s) for functions.25.0LivePerson FunctionsServerless platform for building, deploying, and invoking custom functions that extend LivePerson conversat...19.7Open Geospatial Consortium (OGC) Functions APIThe Functions API from Open Geospatial Consortium (OGC) — 1 operation(s) for functions.17.8Moodle External Functions APIAllows developers to expose parametrized functions to external systems, forming the basis of Moodle's web s...13.2
Minimal 2 Almost no public developer surface
Descartes Labs Compute APIThe Compute service ran user-supplied Python code as containerised Functions against the imagery archive at...0.0Fusebit Functions APIFunction management operations0.0

Companies reaching this through an API (52)

These companies publish an API, specification or operation carrying “Functions” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

ACI.dev Adobe Creative Cloud Adobe Suite Amazon AppSync Amazon Web Services Amigo Apache Geode Apache Pulsar AWS Lambda Azure Stream Analytics Bem Blaxel Braintrust CloudFront Cognite Couchbase Cribl Crossplane Databricks Descartes Labs Digital Ocean Fusebit Glia HubSpot Inngest Integry Knative LivePerson Microsoft Azure Microsoft Azure Functions Microsoft Excel Microsoft Excel (Advanced) Modal Moodle Nhost Open Geospatial Consortium (OGC) OpenObserve Oracle Power Query Primitive Scaleway Seekr Shopify Sieve Skai (Kenshoo) Supabase Swell Telnyx Twilio Segment Webex
Show all 52 companies ↓
Zavu Zoho Cliq

Score breakdown

Frequency
56.2
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
48.3
mean composite of providers using it
Cohesion
15.1
strength of nearest seed neighbor

Related tags

Serverless 25 co-occurrences Extensions 10 co-occurrences Compute 11 co-occurrences Volumes 6 co-occurrences Cluster 11 co-occurrences Experiments 5 co-occurrences

Where this tag comes from

Api tag59
Provider tag7
Openapi tag30
Openapi op tag127

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

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.
All 92 tools →

Call it yourself

curl for this page
This tag 
curl "https://apis.io/api/v1/tags/functions"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/functions"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/functions/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.