# Vonage Signaling API

**Canonical:** https://apis.io/apis/vonage/vonage-signaling-api/  
**Provider:** Vonage — https://apis.io/providers/vonage/  
**Base URL:** https://rest.nexmo.com  
**Documentation:** https://developer.vonage.com/en/api/sms

Vonage Signaling API is one of 59 APIs that [Vonage](https://apis.io/providers/vonage/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification. This API exposes 74 JSON Schema definitions. Tagged areas include Signaling. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an AsyncAPI specification, and 74 JSON Schemas.

APIs relating to sending and recieving Signals

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/v2/project/{application_id}/session/{session_id}/signal` | Send a signal to all participants |
| POST | `/v2/project/{application_id}/session/{session_id}/connection/{connection_id}/signal` | Send signal to a specific participant |

## Machine-readable artifacts (98)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/openapi/vonage-signaling-api-openapi.yml
- **Documentation** — https://developer.vonage.com/en/api/sms
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-new-message-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-smsxml-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-sms-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-error-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-error-xml-schema.json
- **Documentation** — https://developer.vonage.com/en/api/messages
- **Documentation** — https://developer.vonage.com/en/api/voice
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/asyncapi/vonage-asyncapi.yml
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-get-call-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-get-calls-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-start-talk-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-update-call-request-transfer-ncco-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-create-call-request-answer-url-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-update-call-request-transfer-answer-url-schema.json
- **Documentation** — https://developer.vonage.com/en/api/verify
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-verify-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-search-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-psd2-request-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-request-error-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-control-error-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-check-error-response-schema.json
- **Documentation** — https://developer.vonage.com/en/api/verify.v2
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-list-fragments-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-list-templates-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-template-fragment-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-template-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-code-submit-success-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-silent-auth-confirmation-success-schema.json
- **Documentation** — https://developer.vonage.com/en/api/numbers
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-number-details-update-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-number-details-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-available-numbers-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-inbound-numbers-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-response-schema.json
- **Documentation** — https://developer.vonage.com/en/api/application.v2
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-application-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-video-response-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/json-schema/vonage-user-channels-schema.json
- …and 58 more, listed in full on the page.

## Other Vonage APIs (12)

- [Vonage Account API](https://apis.io/apis/vonage/vonage-account-api/)
- [Vonage Advanced API](https://apis.io/apis/vonage/vonage-advanced-api/)
- [Vonage Application API](https://apis.io/apis/vonage/vonage-application-api/)
- [Vonage Applications API](https://apis.io/apis/vonage/vonage-applications-api/)
- [Vonage Archives API](https://apis.io/apis/vonage/vonage-archives-api/)
- [Vonage Audio Connector API](https://apis.io/apis/vonage/vonage-audio-connector-api/)
- [Vonage Balance API](https://apis.io/apis/vonage/vonage-balance-api/)
- [Vonage Basic API](https://apis.io/apis/vonage/vonage-basic-api/)
- [Vonage Broadcast API](https://apis.io/apis/vonage/vonage-broadcast-api/)
- [Vonage Calls API](https://apis.io/apis/vonage/vonage-calls-api/)
- [Vonage Configuration API](https://apis.io/apis/vonage/vonage-configuration-api/)
- [Vonage Conversation API](https://apis.io/apis/vonage/vonage-conversation-api/)

## Tags

Signaling

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/vonage/vonage-signaling-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/vonage/.