Rainbow website screenshot

Rainbow

Rainbow is a CPaaS platform from Alcatel-Lucent Enterprise (ALE) that lets developers enrich applications with chat, group chat, voice, video, file sharing, and telephony PBX features through more than 200 APIs, REST interfaces, and multi-language SDKs including Node.js, C#, iOS, and Android.

Rainbow publishes 7 APIs on the APIs.io network, including Applications API, Authentication API, Bubbles API, and 4 more. Tagged areas include Communications, CPaaS, Chat, Voice, and Video.

The Rainbow catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Rainbow’s developer surface includes authentication, signup flow, GitHub presence, CLI, and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub
44.8/100 developing ▼ -7.0 Agent 38/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessEnterpriseSelf serve
7 APIs
CommunicationsCPaaSChatVoiceVideoTelephonyMessagingCollaborationUnified Communications

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 44.8/100 · developing
Contract Quality 17.4 / 25
Developer Ergonomics 3.5 / 20
Commercial Clarity 7.4 / 20
Operational Transparency 3.4 / 13
Governance 8.3 / 12
Discoverability 7.4 / 10
Agent readiness — 38/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/rainbow: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 7

Individual APIs this provider publishes, each with its own machine-readable definition.

Rainbow Applications API

Register and manage developer applications

Rainbow Authentication API

OAuth2 token management

Rainbow Bubbles API

Manage group chat rooms (bubbles)

Rainbow Contacts API

Manage and search contacts

Rainbow Conversations API

Manage one-to-one and group conversations

Rainbow Messages API

Send and receive chat messages

Rainbow Users API

User profile and presence operations

Scroll for all 7

Open Collections 3

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Rainbow Application Portal API

OPEN COLLECTION

Rainbow Contacts API

OPEN COLLECTION

Rainbow Messaging API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Rainbow Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Rainbow Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Rainbow Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Rainbow Context

18 classes · 10 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Rainbow API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Rainbow API Rules

7 rules · 2 errors 5 warnings

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

Rainbow Contact

9 properties

JSON SCHEMA

Rainbow Message

7 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Rainbow Message Structure

0 properties

JSON STRUCTURE

Examples 3

Example request and response payloads for these APIs.

Rainbow Get Oauth Token Example

2 fields

EXAMPLE

Rainbow Search Contacts Example

2 fields

EXAMPLE

Rainbow Send Message Example

2 fields

EXAMPLE

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Rainbow Authentication

http · 1 scheme

SECURITY

Rainbow Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Rainbow Trust Center

ISO 27001, HIPAA

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Rainbow Agentic Access

16 operations · 7 acting

16 operations · 7 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Signup
Signup

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 LlmsText
LlmsText

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

SpectralRules
SpectralRules
 JSONLD
JSONLD
 Vocabulary
Vocabulary

Build 5

SDKs, sample code, and the tooling you integrate with

GitHub
GitHub
 SDKNode
SDKNode
 SDKIOS
SDKIOS
 SDKCS
SDKCS
 CLI
CLI

Access & Security 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Other 1

Properties that don't map to a standard resource type

Developer
Developer

Source (apis.yml)

apis.yml Raw ↑ 
aid: rainbow
name: Rainbow
description: Rainbow is a CPaaS platform from Alcatel-Lucent Enterprise (ALE) that lets developers enrich applications with
  chat, group chat, voice, video, file sharing, and telephony PBX features through more than 200 APIs, REST interfaces, and
  multi-language SDKs including Node.js, C#, iOS, and Android.
type: Index
accessModel:
  pricing: enterprise
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Enterprise · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/rainbow.png
tags:
- Communications
- CPaaS
- Chat
- Voice
- Video
- Telephony
- Messaging
- Collaboration
- Unified Communications
created: '2025-02-06'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/rainbow/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: rainbow:rainbow-applications-api
  name: Rainbow Applications API
  description: Register and manage developer applications
  humanURL: https://developers.openrainbow.com/doc/hub/api
  baseURL: https://openrainbow.com/api/rainbow
  tags:
  - Applications
  properties:
  - type: OpenAPI
    url: openapi/rainbow-applications-api-openapi.yml
  - type: Documentation
    url: https://developers.openrainbow.com/doc/hub/api
- aid: rainbow:rainbow-authentication-api
  name: Rainbow Authentication API
  description: OAuth2 token management
  humanURL: https://developers.openrainbow.com/doc/hub/api
  baseURL: https://openrainbow.com/api/rainbow
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/rainbow-authentication-api-openapi.yml
  - type: Documentation
    url: https://developers.openrainbow.com/doc/hub/api
- aid: rainbow:rainbow-bubbles-api
  name: Rainbow Bubbles API
  description: Manage group chat rooms (bubbles)
  humanURL: https://developers.openrainbow.com/doc/hub/api
  baseURL: https://openrainbow.com/api/rainbow
  tags:
  - Bubbles
  properties:
  - type: OpenAPI
    url: openapi/rainbow-bubbles-api-openapi.yml
  - type: Documentation
    url: https://developers.openrainbow.com/doc/hub/api
- aid: rainbow:rainbow-contacts-api
  name: Rainbow Contacts API
  description: Manage and search contacts
  humanURL: https://developers.openrainbow.com/doc/hub/api
  baseURL: https://openrainbow.com/api/rainbow
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/rainbow-contacts-api-openapi.yml
  - type: Documentation
    url: https://developers.openrainbow.com/doc/hub/api
- aid: rainbow:rainbow-conversations-api
  name: Rainbow Conversations API
  description: Manage one-to-one and group conversations
  humanURL: https://developers.openrainbow.com/doc/hub/api
  baseURL: https://openrainbow.com/api/rainbow
  tags:
  - Conversations
  properties:
  - type: OpenAPI
    url: openapi/rainbow-conversations-api-openapi.yml
  - type: Documentation
    url: https://developers.openrainbow.com/doc/hub/api
- aid: rainbow:rainbow-messages-api
  name: Rainbow Messages API
  description: Send and receive chat messages
  humanURL: https://developers.openrainbow.com/doc/hub/api
  baseURL: https://openrainbow.com/api/rainbow
  tags:
  - Messages
  properties:
  - type: OpenAPI
    url: openapi/rainbow-messages-api-openapi.yml
  - type: Documentation
    url: https://developers.openrainbow.com/doc/hub/api
- aid: rainbow:rainbow-users-api
  name: Rainbow Users API
  description: User profile and presence operations
  humanURL: https://developers.openrainbow.com/doc/hub/api
  baseURL: https://openrainbow.com/api/rainbow
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/rainbow-users-api-openapi.yml
  - type: Documentation
    url: https://developers.openrainbow.com/doc/hub/api
common:
- type: AgenticAccess
  url: agentic-access/rainbow-agentic-access.yml
- type: TrustCenter
  url: security/rainbow-trust-center.yml
- type: DomainSecurity
  url: security/rainbow-domain-security.yml
- type: Authentication
  url: authentication/rainbow-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/openrainbow
- type: Website
  url: https://www.openrainbow.com
- type: Developer
  url: https://developers.openrainbow.com/
- type: Signup
  url: https://hub.openrainbow.com/
- type: GitHub
  url: https://github.com/Rainbow-CPaaS
- type: SDKNode
  url: https://github.com/Rainbow-CPaaS/Rainbow-Node-SDK
- type: SDKIOS
  url: https://github.com/Rainbow-CPaaS/Rainbow-iOS-SDK
- type: SDKCS
  url: https://github.com/Rainbow-CPaaS/Rainbow-CSharp-SDK-Samples
- type: CLI
  url: https://github.com/Rainbow-CPaaS/Rainbow-CLI-SDK
- type: SpectralRules
  url: rules/rainbow-rules.yml
- type: JSONLD
  url: json-ld/rainbow-context.jsonld
- type: Vocabulary
  url: vocabulary/rainbow-vocabulary.yml
- type: LlmsText
  url: https://developers.openrainbow.com/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com