# Nexmo Conversion API API

> Nexmo Conversion API API on Apizie: 2 endpoints (Tell Nexmo if your SMS message was successful, Tell Nexmo if your voice call was successful) returned as clean JSON through one API key. Send your own provider key in the x-upstream-key header. Call it over REST at https://www.apizie.tech/v1/open-data:nexmo-conversion/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `open-data:nexmo-conversion`
- Category: Open Data
- Status: byok
- Source: https://developer.nexmo.com/
- Page: https://www.apizie.tech/api/open-data/nexmo-conversion
- OpenAPI: https://www.apizie.tech/api/open-data/nexmo-conversion/openapi.json

The Conversion API allows you to tell Nexmo about the reliability of your 2FA communications. Sending conversion data back to us means that Nexmo can deliver messages faster and more reliably. The conversion data you…

## Endpoints

### Tell Nexmo if your SMS message was successful
`POST https://www.apizie.tech/v1/open-data:nexmo-conversion/sms-conversion` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| message-id | string | yes | The ID you receive in the response to a request. * From the Verify API - use the `event_id` in the response to Verify Check. * From the… |
| delivered | string | yes | Set to _true_ if your user replied to the message you sent. Otherwise, set to _false_. **Note**: for curl, use 0 and 1. |
| timestamp | string | yes | When the user completed your call-to-action (e.g. visited your website, installed your app) in… |

### Tell Nexmo if your voice call was successful
`POST https://www.apizie.tech/v1/open-data:nexmo-conversion/voice-conversion` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| message-id | string | yes | The ID you receive in the response to a request. * From the Verify API - use the `event_id` in the response to Verify Check. * From the… |
| delivered | string | yes | Set to _true_ if your user replied to the message you sent. Otherwise, set to _false_. **Note**: for curl, use 0 and 1. |
| timestamp | string | yes | When the user completed your call-to-action (e.g. visited your website, installed your app) in… |

## Example
```
curl "https://www.apizie.tech/v1/open-data:nexmo-conversion/sms-conversion" \
  -H "x-api-key: $APIZIE_KEY" \
  -H "x-upstream-key: $PROVIDER_KEY"
```

## FAQ

### How do I call the Nexmo Conversion API API?
Create a free Apizie key, then send POST https://www.apizie.tech/v1/open-data:nexmo-conversion/sms-conversion with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Nexmo Conversion API API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card. Nexmo Conversion API itself also needs your own key from nexmo.com.

### Can AI agents use the Nexmo Conversion API API?
Yes. Add the Apizie MCP server (https://www.apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key open-data:nexmo-conversion.

### What is the status of the Nexmo Conversion API API?
Needs your own provider key (bring your own key)