Invalid parameter

The response message contains the name of the invalid parameter.

HTTP status: 400

Example where To is the invalid parameter:

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{
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 "code": 60200,
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 "message": "Invalid parameter: To",
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 "more_info": "https://www.twilio.com/docs/errors/60200",
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 "status": 400
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}

When starting a verification:

• To parameter is incorrectly formatted or missing the leading +.
• Channel parameter is not one of the accepted options, or you might not have access to the requested channel.

When checking a verification:

• Code parameter is not between 4-10 numbers long.

When creating a service:

• FriendlyName is too long (max 30 characters).

When fetching a service:

• Neither ServiceSid nor UniqueName is present.

• Use strict E.164 formatting, including the + sign, for phone numbers in the To parameter. Example: +15017122661.
• If using the sna channel, ensure you have requested and been granted access. See SNA Overview for details.