# Vonage Live Captions API

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

Vonage Live Captions 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 Live Captions. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an AsyncAPI specification, and 74 JSON Schemas.

APIs relating to live captioning

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/v2/project/{application_id}/captions` | Start Live Captions for a Vonage Video stream |
| POST | `/v2/project/{application_id}/captions/{captions_id}/stop` | Stop live captions for a session |

## Machine-readable artifacts (98)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/vonage/refs/heads/main/openapi/vonage-live-captions-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

Live Captions

---

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