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 5 Complete, well-documented, and agent-ready

Data Extensions APIAPI for managing data extensions, which are database tables used to store and segment customer data in Mark...83.5 HubSpot Files APIThe files API allows you to upload, manage, and organize files in HubSpot's file manager. You can upload fi...82.4 Dynatrace Grail Bucket Management APIThe Dynatrace Grail Bucket Management API provides a public API for managing storage buckets within the Gra...71.8 fal Storage APIUpload binary assets to the fal CDN.69.7 Cloud Storage Service Public API8x8 Cloud Storage Service Public API for listing, retrieving and managing call recordings and other stored ...67.1

Strong 25 Solid coverage with minor gaps

IBM Cloud Object StorageStore and access unstructured data with built-in high-speed file transfer.62.6 Cloudflare Artifacts APICloudflare Artifacts is a versioned file storage system that speaks Git, enabling programmatic repository c...62.0 Kentico .NET Content APIServer-side .NET API for content item queries, object queries, file system operations, and database access ...61.1 Amazon S3 Tables APIAmazon S3 Tables API provides operations for managing table buckets and tables stored in Apache Iceberg for...60.7 Amazon EBS APIAmazon Elastic Block Store provides persistent block storage volumes for use with Amazon EC2 instances in t...60.6 Unified.to storage APIThe storage API from Unified.to — 2 operation(s) for storage.60.4 Databricks DBFS APIThe Databricks File System (DBFS) API is a distributed file system mounted into a Databricks workspace and ...59.1 Databricks External Locations APIThe Databricks External Locations API is part of Unity Catalog and allows you to create, update, list, and ...59.1 Databricks Files APIThe Databricks Files API provides a standard HTTP interface for reading, writing, listing, and deleting fil...59.1 Databricks Volumes APIThe Databricks Volumes API is part of Unity Catalog and allows you to create, update, list, and delete volu...59.1 Cisco Intersight HyperFlex APIHyperFlex hyperconverged cluster profiles, node configuration, capacity forecasting and cluster recommendat...58.7 Cisco Intersight Storage APIThird-party and Cisco storage array, controller, volume and disk-group inventory and policy operations. 212...58.7 Files.Warwick APIHTTP APIs for automating tasks against Files.Warwick, the University's own file storage service. Access is ...58.3 SolarEdge Storage APIBattery storage data57.3 Datadog Logs Archives APIThe Logs Archives API allows you to manage logs archives that forward all ingested logs to cloud storage sy...57.1 DBFS APIAccess Databricks File System (DBFS) for file operations including uploading, downloading, listing, and del...56.5 Files APIManage files in Unity Catalog volumes and workspace filesystem with operations for uploading, downloading, ...56.5 Unity Catalog - External Locations APIManage external locations in Unity Catalog for connecting to cloud storage paths.56.5 Unity Catalog - Storage Credentials APIManage storage credentials in Unity Catalog for authenticating access to cloud storage.56.5 Unity Catalog - Volumes APIManage Unity Catalog volumes for governing non-tabular data such as files and directories.56.5 Tower Storage APIThe Storage API from Tower — 1 operation(s) for storage.55.8 Liveblocks Realtime Client APIWebSocket-based client API exposed through Liveblocks client SDKs for React, JavaScript, Redux, Zustand, Vu...55.3 Liveblocks REST APIServer-side REST API for managing rooms, room access, storage, active users, broadcast events, comments and...55.3 Liveblocks Storage APIThe Storage API from Liveblocks — 2 operation(s) for storage.55.3 Microsoft Dynamics NAV Storage APIView storage usage and quotas54.5

Developing 51 Usable, with meaningful gaps to close

Immersity Cloud APICredit-metered REST API for Spatial AI media transformation — estimate a disparity (depth) map from a singl...53.9 Mezmo Archiving APIConfigure cold-storage archiving via /v1/config/archiving. Supports S3, GCS, Azure Blob, IBM COS, and Digit...53.7 Inspectorio STORAGE APIThe STORAGE API from Inspectorio — 1 operation(s) for storage.53.6 Wherobots storage APIThe storage API from Wherobots — 12 operation(s) for storage.53.5 OCI Block Volume APIREST APIs for provisioning and managing block storage volumes that can be attached to compute instances, in...53.0 OCI File Storage APIREST APIs for managing durable, scalable, and secure network file systems that can be connected to from any...53.0 OCI Object Storage APIREST APIs for managing scalable and durable object storage in Oracle Cloud Infrastructure, including bucket...53.0 Certifyos Storage APICloud storage operations and file access management51.1 Lambda Cloud FilesystemsLambda Cloud Filesystems provide persistent, sharable storage attached to on-demand instances for datasets ...50.9 NetBackup Configuration APIAPI for configuring NetBackup hosts, policies, servers, VM server credentials, and storage settings.50.7 NetBackup Storage APIAPI for managing storage consumption, capacity reporting, and backup storage on NetBackup primary servers.50.7 Sauce Labs Storage APIUpload and manage application files (APK, IPA, ZIP) and other test artifacts in the Sauce Labs file storage...49.4 SPAN Storage APIThe Storage API from SPAN — 2 operation(s) for storage.49.0 OpsMill Storage APIThe Storage API from OpsMill — 6 operation(s) for storage.48.6 Wowza storage APIThe storage operations are deprecated in 2.0. Operations related to peak and current storag48.2 StepFun Files APIUpload, list, retrieve, delete files and fetch file content for use with Step models and knowledge bases.47.8 Let's Enhance Storage APIPerform operations with storage: check supported storage types, safely connect your cloud buckets and more.47.7 Virtual Storage Lifecycle Management APIAPI for managing the lifecycle of virtual storage including first-class disks, storage policies, and virtua...47.7 vSAN Management APIAPI for managing VMware vSAN software-defined storage including cluster configuration, disk management, hea...47.7 Google Drive APIStore and synchronize files across devices, manage file metadata and permissions.47.5 Result BackendHosted application backend consumed through the first-party @resultdev/sdk client and administered with @re...47.1 OneDrive APIAPI for accessing files and folders stored in OneDrive and SharePoint.47.0 Posit Storage APIThe Storage API from Posit — 2 operation(s) for storage.46.6 Arweave Turbo Upload APIManaged bundling upload service (ar.io Turbo) that implements ANS-104 bundling for high-throughput data upl...46.1 Appwrite Storage APIFile storage management46.0 Gemini Files APIUpload and manage files used as model input46.0 SMB File Server APIServer Message Block protocol APIs and WMI management classes for managing file shares, share access, and n...45.1 Storage Spaces Direct APIAPIs and PowerShell management for software-defined storage enabling clustering of servers with internal st...45.1 Coordinate Storage APIPer-vendor JSON scratch storage.45.0 Unity Cloud Save APIPer-player and per-game-session key/value data persistence with versioning, conflict resolution, and server...45.0 InfiniBox REST API (InfiniAPI)The management REST API served by every InfiniBox and InfiniBox SSA array on its own management interface a...44.9 TOP Group (The Open Platform) Storage APIThe Storage API from TOP Group (The Open Platform) — 1 operation(s) for storage.44.8 Con Edison Hosting Capacity Map REST APICon Edison's distribution-grid open data, published as anonymously readable Esri ArcGIS REST feature servic...44.4 AutoCAD Data Management APIAPI for managing AutoCAD files, versions, and collaboration workflows.43.6 Algebras AI Inc. Storage APIThe Storage API from Algebras AI Inc. — 1 operation(s) for storage.43.2 TimeFusion (Timeseries Engine)Rust-based timeseries database for events, logs, traces, and metrics using a PostgreSQL dialect over S3 / D...42.9 BigQuery Storage APIThe BigQuery Storage API provides high-throughput read and write access to BigQuery managed storage. It ena...42.8 Prometheus Remote Write APIThe Prometheus Remote Write API defines a standard protocol for sending time series data from Prometheus or...42.1 InstantDB Storage APIFile upload, listing, and deletion.42.0 NATS Key-Value Store APIThe NATS Key-Value Store API is a JetStream-backed abstraction that provides immediately consistent, persis...41.8 NATS Object Store APIThe NATS Object Store API is a JetStream-backed abstraction for storing and retrieving arbitrarily large bi...41.8 Deno KV APIDeno KV is a key-value database built directly into the Deno runtime and available as a globally distribute...41.5 Nhost storage APIStorage operations and presigned URLs41.4 Bunny.net Edge Storage APIObject-storage data-plane API for uploading, downloading, listing, and deleting files inside a Storage Zone...40.9 Bunny.net Storage Zones APIEndpoints for creating and managing edge Storage Zones, replication regions, and access keys used by the Ed...40.9 Amazon S3Scalable object storage service for data backup, archival, and analytics.40.8 Veritas Volume Manager APIAPI for storage volume management, including volume creation, resizing, mirroring, and snapshot operations....40.4 Nakama Storage APIRead, write, list, and delete storage objects.40.2 OpenShift Storage APIAPI for managing storage resources including PersistentVolumes, PersistentVolumeClaims, StorageClasses, CSI...40.2 nexos.ai Storage APIUpload and manage media files.39.6 Commvault Storage APIStorage pool and library management39.3

Thin 58 Limited public surface area

TzKT Big Maps APIThe Big Maps API indexes all Tezos big map allocations across smart contracts, exposing individual key-valu...39.1 TzKT Contracts APIThe Contracts API provides access to Tezos smart contract metadata, storage, entrypoints, views, and code. ...39.1 Blockfrost IPFS APIBlockfrost also operates as an IPFS provider, enabling developers building on Cardano to pin and retrieve c...38.8 Keboola Storage APIThe Storage API from Keboola — 64 operation(s) for storage.38.8 RWTH Aachen University Storage APIProvides endpoints for managing blob storage operations for project resources, such as checking existence a...38.5 Siemens MindSphere IoT File Service APIFile management service for files related to IoT assets. Enables uploading, downloading, and managing files...38.3 Railway Volumes APIGraphQL operations for persistent volumes attached to services. Queries include volume; mutations include v...38.1 Openlayer Storage APIPresigned URLs for uploading datasets and artifacts.38.0 SimScale Storage APIFile storage management38.0 Rook Ceph Custom Resource APIRook extends Kubernetes through Custom Resource Definitions (CRDs) to declaratively manage Ceph storage clu...37.9 Indico Data Storage APIObjects stored on the Indico platform37.8 Resourcly storage APIThe storage API from Resourcly — 7 operation(s) for storage.37.8 Webex Recordings APIList and manage meeting recordings. Provides access to recording details, download links, and metadata, wit...37.4 Fluence Storage APIEndpoints to create, view, update and delete storage resources37.2 Gcore Storage APIS3-compatible and SFTP object storage.37.2 Loadsmart Storage APIThe Storage API from Loadsmart — 2 operation(s) for storage.37.1 Platform9 Private Cloud Director APIOpenStack-compatible REST API for Platform9 Private Cloud Director, covering Keystone identity/authenticati...36.5 UCloud Open APIAction-based RPC API covering every UCloud product (compute, networking, storage, databases, Kubernetes, mo...36.5 Azure NetApp Files REST APIREST API for managing Azure NetApp Files resources including NetApp accounts, capacity pools, volumes, and ...35.7 NetApp E-Series SANtricity Web Services APIRESTful API for managing and monitoring NetApp E-Series and EF-Series storage systems through the SANtricit...35.7 NetApp Element APIAPI for NetApp Element software and NetApp HCI storage management.35.7 Neynar Storage APIOperations related to storage35.7 Voltage Park Storage APIShared storage volumes attachable to bare-metal rentals.35.1 SnapAPI Storage APIFile storage — list, retrieve, delete stored files; configure custom S334.4 Acronis Vault Manager REST APIThe Acronis Vault Manager REST API allows users to manage and interact with their Acronis Vault storage sol...34.3 OneDrive APIAPI for accessing and managing files in OneDrive.34.2 Armada Storage APIThe Storage API from Armada — 6 operation(s) for storage.34.0 OneDrive APIAPI for accessing and managing files stored in OneDrive.33.9 Crusoe Cloud APIThe Crusoe Cloud API is the primary control plane for provisioning and managing GPU compute, storage, netwo...33.7 Inductive Automation storage APIStorage configuration33.7 LiteLLM Vector Stores APIProvides /vector_stores endpoints for creating and managing vector stores, file operations within vector st...33.7 Mistral AI Files APIFile management API for uploading, retrieving, downloading, and deleting files used across fine-tuning, bat...33.5 Modal VolumesDistributed, high-performance file system volumes for sharing state across functions and containers, manage...33.3 Filecoin Onchain Cloud Synapse APIHigh-level TypeScript SDK and API for the Filecoin Onchain Cloud — a smart-contract-based marketplace provi...33.2 OneDrive APIAccess files stored in OneDrive and SharePoint.33.1 Respeecher storage APIThe storage API from Respeecher — 1 operation(s) for storage.33.0 ScreenCloud Studio Media and Files APIGraphQL operations for uploading and organizing the media library - images, videos, and documents. Create a...33.0 Incus storage APIThe storage API from Incus — 39 operation(s) for storage.32.9 Askar APIAskar is a secure storage backend for digital wallets that manages cryptographic keys, secrets, and credent...32.8 Super Micro Computer Storage APIStorage controller and drive management32.4 OneDrive APIAPI for accessing and managing files in OneDrive and SharePoint.31.4 OneDrive APIREST API for accessing files stored in OneDrive and SharePoint document libraries.30.8 OneDrive APIAPI for accessing files and folders stored in OneDrive.30.4 Object Storage (Kodo)REST API for Qiniu Kodo object storage — bucket administration, object upload/download, stat/copy/move/dele...30.3 OneDrive APIAccess and manage files stored in OneDrive and SharePoint.30.1 HPE GreenLake APIUnified REST API gateway for HPE GreenLake edge-to-cloud services including Compute Ops Management, Data Se...30.0 Azure Files FileREST APIData-plane HTTPS REST API for operations on file shares, directories, and files in Azure Files, including c...29.8 Azure Storage Resource Provider API (File Services / Shares)Azure Resource Manager REST API for managing storage accounts, FileService settings, and FileShare resource...29.8 Mango OPI Storage Bridge gRPC APIMangoBoost ships an Open Programmable Infrastructure (OPI) gRPC bridge that translates standard OPI storage...29.6 Mango SDK Device API (libmango)The Mango SDK development package (libmango-dev) provides the C/C++ user API, libraries and example applica...29.6 Apache BookKeeper Java Client APIThe BookKeeper Java client API provides programmatic access for creating, writing, reading, and managing le...28.8 Jaeger Remote Storage APIThe Jaeger Remote Storage API is a gRPC-based interface that allows extending Jaeger with custom storage ba...28.8 Fluent Bit Storage APIThe Storage API from Fluent Bit — 1 operation(s) for storage.27.6 CTERA Portal RESTful APIRESTful management API for the CTERA Portal. Exposes a uniform object namespace (users, devices, folders, a...27.5 DagsHub DVC / S3-Compatible StorageDagsHub provides a DVC remote and S3-compatible storage endpoint per repo for versioned data and model arti...26.8 DagsHub Storage APIThe Storage API from DagsHub — 2 operation(s) for storage.26.8 Intelerad Storage APIThe Storage API from Intelerad — 1 operation(s) for storage.26.8 OneDrive APIAPI for accessing and managing files stored in OneDrive and SharePoint.26.8

Emerging 33 Early or largely undocumented

Airstack Storage APIThe Storage API from Airstack — 1 operation(s) for storage.26.1 Scenario Assets APIList, retrieve, upload, and manage the images, video, audio, and 3D assets stored in a team's Scenario work...25.9 Nebius Storage APIThe Nebius Storage API exposes AWS S3-compatible object storage for ML/AI datasets and model artifacts.25.6 Segmind Storage APIUpload reusable assets25.3 Tekton Results APITekton Results provides a long-term store and a gRPC + REST API for completed PipelineRun/TaskRun records a...25.2 Updox Document Management APICreate, retrieve, and route documents within the Updox inbox, with Document Management webhooks for documen...25.2 Nitric Bucket ResourceSDK resource for declaring object/file storage buckets with read, write, delete, signed URLs, and bucket-ev...25.1 Alibaba Cloud APIAlibaba Cloud provides a comprehensive API ecosystem covering all major cloud services including Elastic Co...24.9 NMI Customer Vault APIThe NMI Customer Vault API enables secure storage and management of customer payment credentials at Level 1...24.0 Epic Online Services Player Data Storage APIThe EOS Player Data Storage and Title Storage APIs persist per-player save data and shared title-level conf...23.6 Moodle File APIManages file storage across plugins, providing a unified interface for uploading, retrieving, and serving f...22.1 Spin Key-Value Store APIThe Spin Key-Value Store API provides Spin components with access to a persistent key-value storage service...22.1 Spin SQLite APIThe Spin SQLite API provides Spin components with access to an embedded relational database. Components can...22.1 Lens Storage & MetadataLens content (post body, media, profile metadata) is stored as JSON following the Lens Metadata Standards a...21.0 Reggora Documents (eVault) APIAccess the eVault to list, upload, and download appraisal documents and supporting files associated with an...20.8 pnpm Content-Addressable StoreA content-addressable store that holds every version of every package exactly once on disk and hard-links (...20.4 Celery Result Backend APIResult backend API for storing and retrieving task results and state using backends such as Redis, RPC, dat...19.6 Hammerspace Anvil Management APIThe management REST API served by the Hammerspace Anvil metadata server at the base path /mgmt/v1.2/rest. I...19.1 Pipe Storage (Firestarter) APIContent-addressed decentralized object storage on Solana. Create users, upload/download files, resolve dete...18.7 NimbleOS REST APIREST API served on each Nimble Storage array (NimbleOS 5.x) for managing arrays, pools, volumes, snapshots,...18.0 Chick-fil-A Storage APIS3 bucket inventory and object listing.17.6 Oracle Cloud Infrastructure (OCI) REST APIComprehensive REST API for managing Oracle Cloud Infrastructure resources including compute, storage, netwo...17.3 Delta LakeDelta Lake is an open source storage layer that brings ACID transactions and reliability to data lakes.17.2 JD Cloud Object Storage Service (OSS) APIJD Cloud Object Storage is an S3-compatible object store for unstructured data, with bucket / object lifecy...16.6 Delta Lake Storage FrameworkThe Delta Lake storage framework defines the on-disk transaction log and protocol that adds ACID transactio...16.5 Buildium Files APIManages files and documents attached to properties, leases, owners, tenants, vendors, and other Buildium en...16.4 OneDrive APIAccess and manage files stored in OneDrive and SharePoint.16.2 SanDisk HQME SDKThe SanDisk HQME (Home Quality Media Experience) SDK is based on the IEEE P2200/D2 draft standard for conte...15.9 SanDisk iXpand SDKThe SanDisk iXpand SDK enables third-party iOS application developers to access and manage iXpand Flash Dri...15.9 Naver Cloud Object Storage APIObject Storage is Naver Cloud Platform's S3-compatible object store for unstructured data, with public read...15.8 Azure StorSimple Management REST APIAzure Resource Manager REST API for managing StorSimple device managers, devices, volumes, backup policies,...13.4 U-HaulU-Haul provides do-it-yourself moving and storage services including truck and trailer rentals, self-storag...13.4 OpenEBSOpenEBS is an open source Container Native Storage solution that provides persistent storage for Kubernetes...12.8

Minimal 1 Almost no public developer surface

A-Mark Logistics and StorageA-Mark provides comprehensive logistics, receiving, storage, and delivery services for precious metals thro...9.4

Score breakdown

Frequency

71.2

log-scaled weighted occurrences

Breadth

7.3

spread across providers

Quality lift

39.0

mean composite of providers using it

Cohesion

8.4

strength of nearest seed neighbor

Where this tag comes from

Provider tag145

Api tag173

Openapi tag45

Openapi op tag217

Cohort brief

Auto-generated

The 267 providers in the APIs.io catalog tagged Storage, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

267

all scored

Mean Kin Score

32.4

+11.7 vs catalog 20.7

Mean Agent Readiness

17.4

+7.7 vs catalog 9.7

Spread

3.3–83.5

median 34.2 · σ 17.5

How the 267 split by band

Exemplar 5Strong 18Developing 81Thin 69Emerging 48Minimal 46

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Contract Quality	35.4	17.5	+17.9	267
Developer Ergonomics	33.2	17.9	+15.3	267
Operational Transparency	20.3	11.3	+9	267
Access Clarity	30.4	22.3	+8.1	267
Discoverability	66.7	60.4	+6.3	267
Contract Governance	11.4	6.4	+5	267

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	24%	16%	+8
MCP server (first-party)	9%	7%	+2
Agent Skills	0%	0%	0
OAuth scopes	16%	9%	+7
Security	89%	88%	+1
Arazzo workflows	7%	2%	+5
Governance rules	34%	13%	+21

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 Salesforce Marketing Cloud 83.5
2 HubSpot 82.4
3 Dynatrace 71.8
4 fal 69.7
5 8x8 67.1
6 IBM 62.6
7 Cloudflare 62
8 Kentico 61.1
9 Amazon S3 60.7
10 Amazon Web Services (AWS) 60.6

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Tools for tags

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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.

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curl "https://apis.io/api/v1/tags/storage"

All tags

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As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/storage"

The distribution (Pro)

curl "https://apis.io/api/v1/cohorts/tag/storage/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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Storage

Providers using this tag (267)

APIs with this tag (173)