PubNub
PubNub is a realtime communication platform supporting pub/sub, presence, chat, App Context (object metadata), Functions (server-less compute on the edge), Push Notifications, and IoT messaging across 1B+ devices. The PubNub REST API runs at ps.pndsn.com; SDKs handle the underlying long-poll / WebSocket protocol. Authentication uses a publish/subscribe key pair per keyset.
PubNub publishes 1 API on the APIs.io network: REST API. Tagged areas include Realtime, WebSockets, Pub/Sub, IoT, and Messaging.
The PubNub catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.
PubNub’s developer surface includes developer portal, documentation, pricing, GitHub presence, engineering blog, and 7 more developer resources.
Kin Score
APIs 2
Individual APIs this provider publishes, each with its own machine-readable definition.
PubNub REST API
Single REST surface for publish, subscribe (long-poll), presence, history, signal, and App Context. Pub/Sub key authentication. SDKs available for 50+ languages and platforms.
PubNub Functions
Edge serverless functions executed on PubNub's network in response to messages, presence events, or HTTP triggers.
Agent Skills 22
Packaged agent skills for driving this provider's APIs from an AI assistant.
pubnub-app-context
AGENT SKILLpubnub-app-developer
AGENT SKILLpubnub-chat
AGENT SKILLpubnub-choose-docs-path
AGENT SKILLpubnub-events-and-actions
AGENT SKILLpubnub-functions
AGENT SKILLpubnub-history
AGENT SKILLpubnub-illuminate
AGENT SKILLpubnub-keyset-management
AGENT SKILLpubnub-live-auctions
AGENT SKILLpubnub-live-betting-casino
AGENT SKILLpubnub-live-sport-updates
AGENT SKILLpubnub-live-stock-quote-updates
AGENT SKILLpubnub-live-voting
AGENT SKILLpubnub-multiplayer-gaming
AGENT SKILLpubnub-observability
AGENT SKILLpubnub-order-delivery-driver
AGENT SKILLpubnub-presence
AGENT SKILLpubnub-reliability
AGENT SKILLpubnub-scale
AGENT SKILLpubnub-security
AGENT SKILLpubnub-telemedicine
AGENT SKILLScroll for all 22
Pricing Plans 1
Published pricing tiers and plan structures.
Pubnub Plans Pricing
PLANSRate Limits 1
Documented rate limits and quota policies.
Pubnub Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Pubnub Finops
FINOPSEvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
PubNub Realtime Streaming API
AsyncAPI description of PubNub's realtime subscribe surface — the event stream that delivers messages, signals, presence updates, file events, message-action events, and App Con...
ASYNCAPISpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
PubNub API Rules
SPECTRALSecurity Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Get Started 1
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 1
Authentication, authorization, and security posture
Operate 2
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API