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Vonage
Vonage
Vonage (part of Ericsson) provides cloud communications APIs for voice, SMS, messaging, video, and verification. The Vonage API platform enables businesses to embed communication capabilities into applications including voice calls, SMS, multi-channel messaging (WhatsApp, Messenger, Viber, RCS), video conferencing, and two-factor authentication. SDKs are available for Node.js, Python, Java, PHP, Ruby, .NET, Go, and Kotlin.
Vonage publishes 6 APIs on the APIs.io network, including Applications API, Messages API, Numbers API, and 3 more. Tagged areas include Communication, Messaging, Telecommunications, Video Conferencing, and Voice.
The Vonage catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 3 Spectral governance rulesets.
Vonage’s developer surface includes authentication, developer portal, documentation, support, engineering blog, CLI, pricing, and 20 more developer resources.
9 APIs
1 MCP Servers
16 Features
Communication Messaging Telecommunications Video Conferencing Voice SMS Verification
On this page
Kin Score
APIs 9
Postman 6
Open Collections 1
MCP Servers 1
GraphQL 1
Pricing Plans 1
Rate Limits 1
FinOps 1
Features 16
Event Specs 1
Vocabularies 1
Spectral Rules 3
JSON Schema 16
JSON Structure 2
Examples 4
Security Posture 3
Agentic Access 1
Resources 27
apis.yml
37 Operational Transparency
Composite quality — 59.7/100 · strong
Contract Quality
18.6 / 25
Developer Ergonomics
13.9 / 20
Commercial Clarity
12.1 / 20
Operational Transparency
4.8 / 13
Agent readiness — 47/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract
10 / 10
MCP Server
12 / 12
Machine-Readable Auth
10 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling
7 / 7
Typed Event Surface
6 / 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
Individual APIs this provider publishes, each with its own machine-readable definition.
Scroll for all 9
Ready-to-run Postman collections for exercising this provider's APIs.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Model Context Protocol servers that expose these APIs to AI agents.
GraphQL schemas published by this provider.
Published pricing tiers and plan structures.
Documented rate limits and quota policies.
Cost, billing, and metering signals for API financial operations.
Notable capabilities this provider offers.
Pay-As-You-Go: no platform fee, per-message/minute pricing
US SMS outbound: $0.00809/message
US SMS inbound: $0.00649/message
US Voice outbound (local): $0.00798/minute
US Voice inbound: $0.0085/minute
Verify API for OTP across SMS/Voice/WhatsApp channels
Messages API for SMS, MMS, WhatsApp, Viber, Facebook Messenger
Voice API with TwiML-style NCCO scripting
Number Insight for line type / carrier lookup
Network APIs (CAMARA — SIM Swap, Number Verify, Location)
Default 30 msg/sec for SMS and Verify
Vonage Video API (formerly OpenTok)
Conversation API for chat/voice/video apps
Webhooks for delivery receipts and inbound events
JWT and API key/secret auth
Carrier surcharges add 50-100% over base rates
Scroll for all 16
AsyncAPI definitions for this provider's event-driven and streaming APIs.
JSON-LD contexts and semantic vocabularies used across these APIs.
Spectral governance rulesets for linting and validating these APIs.
Standalone JSON Schema definitions for this provider's data models.
Scroll for all 16
JSON Structure definitions describing this provider's data shapes.
Example request and response payloads for these APIs.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Recommended x-agentic-access execution contracts for AI agents.
Get Started 2
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 3
MCP servers, agent skills, and machine-readable catalogs
Build 11
SDKs, sample code, and the tooling you integrate with
Scroll for all 11
Access & Security 3
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
Source (apis.yml)
aid: vonage
url: https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/apis.yml
apis:
- aid: vonage:vonage-conversations-api
name: Vonage Conversations API
tags:
- Communication
- Conversations
- Messaging
- Real-Time
humanURL: https://developer.vonage.com/en/api/conversation
baseURL: https://api.nexmo.com/v1
description: Build multi-channel conversation experiences with threading across SMS, voice, and messaging channels. Manage
members, events, and legs within conversation contexts.
properties:
- url: https://developer.vonage.com/en/api/conversation
type: Documentation
- url: https://api.nexmo.com/v1
type: BaseURL
- aid: vonage:vonage-reports-api
name: Vonage Reports API
tags:
- Analytics
- Communication
- Reporting
humanURL: https://developer.vonage.com/en/reports/overview
baseURL: https://api.nexmo.com/v2/reports
description: Generate historical reports and lookup messages sent through your Vonage account. Access delivery receipts,
call records, and usage data.
properties:
- url: https://developer.vonage.com/en/reports/overview
type: Documentation
- url: https://api.nexmo.com/v2/reports
type: BaseURL
- aid: vonage:vonage-video-api
name: Vonage Video API
tags:
- Communication
- Telecommunications
- Video
- WebRTC
humanURL: https://developer.vonage.com/en/video/overview
baseURL: https://api.opentok.com
description: Embed live, interactive video into web, mobile, and desktop applications using WebRTC. Supports sessions, tokens,
broadcasting, recording, and SIP interconnect.
properties:
- url: https://developer.vonage.com/en/video/overview
type: Documentation
- url: https://tokbox.com/developer/
type: Portal
- url: https://api.opentok.com
type: BaseURL
- aid: vonage:vonage-applications-api
name: Vonage Applications API
description: Configure Vonage application settings and webhooks
humanURL: https://developer.vonage.com/en/api/sms
baseURL: https://rest.nexmo.com
tags:
- Applications
properties:
- type: OpenAPI
url: openapi/vonage-applications-api-openapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/sms
- type: BaseURL
url: https://rest.nexmo.com
- type: GraphQL
url: graphql/vonage-graphql.md
- type: Documentation
url: https://developer.vonage.com/en/api/voice
- type: BaseURL
url: https://api.nexmo.com/v1
- type: AsyncAPI
url: https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/asyncapi/vonage-asyncapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/messages-olympus
- type: BaseURL
url: https://api.nexmo.com/v1/messages
- type: Documentation
url: https://developer.vonage.com/en/api/verify
- type: BaseURL
url: https://api.nexmo.com
- type: Documentation
url: https://developer.vonage.com/en/api/numbers
- type: Documentation
url: https://developer.vonage.com/en/api/application.v2
- type: BaseURL
url: https://api.nexmo.com/v2/applications
- aid: vonage:vonage-messages-api
name: Vonage Messages API
description: Multi-channel messaging via SMS, WhatsApp, Messenger, Viber, MMS, RCS
humanURL: https://developer.vonage.com/en/api/sms
baseURL: https://rest.nexmo.com
tags:
- Messages
properties:
- type: OpenAPI
url: openapi/vonage-messages-api-openapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/sms
- type: BaseURL
url: https://rest.nexmo.com
- type: GraphQL
url: graphql/vonage-graphql.md
- type: Documentation
url: https://developer.vonage.com/en/api/voice
- type: BaseURL
url: https://api.nexmo.com/v1
- type: AsyncAPI
url: https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/asyncapi/vonage-asyncapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/messages-olympus
- type: BaseURL
url: https://api.nexmo.com/v1/messages
- type: Documentation
url: https://developer.vonage.com/en/api/verify
- type: BaseURL
url: https://api.nexmo.com
- type: Documentation
url: https://developer.vonage.com/en/api/numbers
- type: Documentation
url: https://developer.vonage.com/en/api/application.v2
- type: BaseURL
url: https://api.nexmo.com/v2/applications
- aid: vonage:vonage-numbers-api
name: Vonage Numbers API
description: Provision and manage virtual phone numbers
humanURL: https://developer.vonage.com/en/api/sms
baseURL: https://rest.nexmo.com
tags:
- Numbers
properties:
- type: OpenAPI
url: openapi/vonage-numbers-api-openapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/sms
- type: BaseURL
url: https://rest.nexmo.com
- type: GraphQL
url: graphql/vonage-graphql.md
- type: Documentation
url: https://developer.vonage.com/en/api/voice
- type: BaseURL
url: https://api.nexmo.com/v1
- type: AsyncAPI
url: https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/asyncapi/vonage-asyncapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/messages-olympus
- type: BaseURL
url: https://api.nexmo.com/v1/messages
- type: Documentation
url: https://developer.vonage.com/en/api/verify
- type: BaseURL
url: https://api.nexmo.com
- type: Documentation
url: https://developer.vonage.com/en/api/numbers
- type: Documentation
url: https://developer.vonage.com/en/api/application.v2
- type: BaseURL
url: https://api.nexmo.com/v2/applications
- aid: vonage:vonage-sms-api
name: Vonage SMS API
description: Send and receive SMS messages
humanURL: https://developer.vonage.com/en/api/sms
baseURL: https://rest.nexmo.com
tags:
- SMS
properties:
- type: OpenAPI
url: openapi/vonage-sms-api-openapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/sms
- type: BaseURL
url: https://rest.nexmo.com
- type: GraphQL
url: graphql/vonage-graphql.md
- type: Documentation
url: https://developer.vonage.com/en/api/voice
- type: BaseURL
url: https://api.nexmo.com/v1
- type: AsyncAPI
url: https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/asyncapi/vonage-asyncapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/messages-olympus
- type: BaseURL
url: https://api.nexmo.com/v1/messages
- type: Documentation
url: https://developer.vonage.com/en/api/verify
- type: BaseURL
url: https://api.nexmo.com
- type: Documentation
url: https://developer.vonage.com/en/api/numbers
- type: Documentation
url: https://developer.vonage.com/en/api/application.v2
- type: BaseURL
url: https://api.nexmo.com/v2/applications
- aid: vonage:vonage-verify-api
name: Vonage Verify API
description: Two-factor authentication and phone verification
humanURL: https://developer.vonage.com/en/api/sms
baseURL: https://rest.nexmo.com
tags:
- Verify
properties:
- type: OpenAPI
url: openapi/vonage-verify-api-openapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/sms
- type: BaseURL
url: https://rest.nexmo.com
- type: GraphQL
url: graphql/vonage-graphql.md
- type: Documentation
url: https://developer.vonage.com/en/api/voice
- type: BaseURL
url: https://api.nexmo.com/v1
- type: AsyncAPI
url: https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/asyncapi/vonage-asyncapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/messages-olympus
- type: BaseURL
url: https://api.nexmo.com/v1/messages
- type: Documentation
url: https://developer.vonage.com/en/api/verify
- type: BaseURL
url: https://api.nexmo.com
- type: Documentation
url: https://developer.vonage.com/en/api/numbers
- type: Documentation
url: https://developer.vonage.com/en/api/application.v2
- type: BaseURL
url: https://api.nexmo.com/v2/applications
- aid: vonage:vonage-voice-api
name: Vonage Voice API
description: Create and control voice calls
humanURL: https://developer.vonage.com/en/api/sms
baseURL: https://rest.nexmo.com
tags:
- Voice
properties:
- type: OpenAPI
url: openapi/vonage-voice-api-openapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/sms
- type: BaseURL
url: https://rest.nexmo.com
- type: GraphQL
url: graphql/vonage-graphql.md
- type: Documentation
url: https://developer.vonage.com/en/api/voice
- type: BaseURL
url: https://api.nexmo.com/v1
- type: AsyncAPI
url: https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/asyncapi/vonage-asyncapi.yml
- type: Documentation
url: https://developer.vonage.com/en/api/messages-olympus
- type: BaseURL
url: https://api.nexmo.com/v1/messages
- type: Documentation
url: https://developer.vonage.com/en/api/verify
- type: BaseURL
url: https://api.nexmo.com
- type: Documentation
url: https://developer.vonage.com/en/api/numbers
- type: Documentation
url: https://developer.vonage.com/en/api/application.v2
- type: BaseURL
url: https://api.nexmo.com/v2/applications
name: Vonage
tags:
- Communication
- Messaging
- Telecommunications
- Video Conferencing
- Voice
- SMS
- Verification
type: Index
accessModel:
pricing: paid
onboarding: self-serve
trial: false
try_now: false
public: false
label: Paid · Self-serve signup
confidence: high
source:
- plans
- authentication
generated: '2026-07-22'
method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/vonage.png
access: 3rd-Party
created: '2025-02-08'
modified: '2026-05-29'
position: Consumer
description: Vonage (part of Ericsson) provides cloud communications APIs for voice, SMS, messaging, video, and verification.
The Vonage API platform enables businesses to embed communication capabilities into applications including voice calls,
SMS, multi-channel messaging (WhatsApp, Messenger, Viber, RCS), video conferencing, and two-factor authentication. SDKs
are available for Node.js, Python, Java, PHP, Ruby, .NET, Go, and Kotlin.
common:
- type: PostmanWorkspace
url: https://www.postman.com/kinlaneapi/vonage/overview
- type: AgenticAccess
url: agentic-access/vonage-agentic-access.yml
- type: VulnerabilityDisclosure
url: security/vonage-vulnerability-disclosure.yml
- type: DomainSecurity
url: security/vonage-domain-security.yml
- type: Authentication
url: authentication/vonage-authentication.yml
- type: LinkedIn
url: https://www.linkedin.com/company/vonage
- url: https://developer.vonage.com/
name: Vonage API Developer Portal
type: Portal
description: Official developer portal for Vonage APIs.
- url: https://developer.vonage.com/en/documentation
name: Vonage API Documentation
type: Documentation
description: Complete API documentation for all Vonage APIs.
- url: https://api.support.vonage.com/hc/en-us
name: Vonage API Support
type: Support
description: Vonage developer support center.
- url: https://github.com/Vonage
name: Vonage GitHub Organization
type: GitHubOrganization
description: Vonage SDKs, code samples, and tools on GitHub.
- url: https://www.vonage.com/developer-center/
name: Developer Center
type: Portal
description: Vonage developer resources and tools.
- url: https://developer.vonage.com/en/blog
name: Vonage Developer Blog
type: Blog
description: Developer tutorials and updates.
- url: https://vonage-community.slack.com/
name: Vonage Community Slack
type: Community
description: Community Slack workspace for Vonage developers.
- url: https://github.com/Vonage/vonage-node-sdk
name: Vonage Node.js SDK
type: SDKs
description: Official Vonage SDK for Node.js.
- url: https://github.com/Vonage/vonage-python-sdk
name: Vonage Python SDK
type: SDKs
description: Official Vonage SDK for Python.
- url: https://github.com/Vonage/vonage-java-sdk
name: Vonage Java SDK
type: SDKs
description: Official Vonage SDK for Java.
- url: https://github.com/Vonage/vonage-php-sdk-core
name: Vonage PHP SDK
type: SDKs
description: Official Vonage SDK for PHP.
- url: https://github.com/Vonage/vonage-ruby-sdk
name: Vonage Ruby SDK
type: SDKs
description: Official Vonage SDK for Ruby.
- url: https://github.com/Vonage/vonage-dotnet-sdk
name: Vonage .NET SDK
type: SDKs
description: Official Vonage SDK for .NET/C#.
- url: https://github.com/Vonage/vonage-go-sdk
name: Vonage Go SDK
type: SDKs
description: Official Vonage SDK for Go.
- url: https://github.com/Vonage/vonage-kotlin-sdk
name: Vonage Kotlin SDK
type: SDKs
description: Official Vonage SDK for Kotlin.
- url: https://github.com/Vonage/vonage-cli
name: Vonage CLI
type: CLI
description: Command-line interface for managing Vonage resources.
- url: https://www.vonage.com/legal/
name: Terms of Service
type: TermsOfService
description: Vonage terms of service.
- url: https://www.vonage.com/legal/unified-communications/privacy-policy/
name: Privacy Policy
type: PrivacyPolicy
description: Vonage privacy policy.
- url: https://www.vonage.com/communications-apis/#pricing
name: Pricing
type: Pricing
description: Vonage API pricing.
- type: Features
data:
- 'Pay-As-You-Go: no platform fee, per-message/minute pricing'
- 'US SMS outbound: $0.00809/message'
- 'US SMS inbound: $0.00649/message'
- 'US Voice outbound (local): $0.00798/minute'
- 'US Voice inbound: $0.0085/minute'
- Verify API for OTP across SMS/Voice/WhatsApp channels
- Messages API for SMS, MMS, WhatsApp, Viber, Facebook Messenger
- Voice API with TwiML-style NCCO scripting
- Number Insight for line type / carrier lookup
- Network APIs (CAMARA — SIM Swap, Number Verify, Location)
- Default 30 msg/sec for SMS and Verify
- Vonage Video API (formerly OpenTok)
- Conversation API for chat/voice/video apps
- Webhooks for delivery receipts and inbound events
- JWT and API key/secret auth
- Carrier surcharges add 50-100% over base rates
sources:
- https://www.vonage.com/communications-apis/pricing/
updated: '2026-05-04'
- type: Integrations
url: https://developer.vonage.com/en/integrations
- name: MCP Server
url: https://github.com/Vonage/vonage-mcp-server-documentation
type: MCPServer
- type: LlmsText
url: https://developer.vonage.com/llms.txt
integrations:
- name: Vonage
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
specificationVersion: '0.19'