Sinch · Schema
NumberLookupRequest
CommunicationsMessagingSMSVoiceVerificationCPaaSTelecommunicationsWhatsApp
Properties
| Name | Type | Description |
|---|---|---|
| number | string | MSISDN in E.164 format to query. |
| features | array | Contains requested features. Fallback to LineType if not provided. |
| rndFeatureOptions | objectnull | Required when RND feature is requested. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://raw.githubusercontent.com/api-evangelist/sinch/main/json-schema/sinch-number-lookup-request-schema.json",
"title": "NumberLookupRequest",
"x-generated": "2026-10-08",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/sinch-number-lookup-api-openapi.yml#/components/schemas/NumberLookupRequest",
"type": "object",
"additionalProperties": false,
"required": [
"number"
],
"properties": {
"number": {
"type": "string",
"description": "MSISDN in E.164 format to query.",
"minLength": 1
},
"features": {
"type": "array",
"description": "Contains requested features. Fallback to LineType if not provided.",
"items": {
"$ref": "#/$defs/ApiFeature"
}
},
"rndFeatureOptions": {
"description": "Required when RND feature is requested.",
"type": [
"object",
"null"
],
"allOf": [
{
"$ref": "#/$defs/RndFeatureOptions"
}
]
}
},
"$defs": {
"ApiFeature": {
"type": "string",
"description": "",
"x-enumNames": [
"LineType",
"SimSwap",
"VoIPDetection",
"RND"
],
"enum": [
"LineType",
"SimSwap",
"VoIPDetection",
"RND"
],
"x-enumDescriptions": {
"LineType": "Use to return line type information for the phone number.",
"SimSwap": "Use to determine whether the phone number is SIM swapped.",
"VoIPDetection": "Use to determine if the carrier is associated with a VoIP provider (alpha).",
"RND": "Use to determine whether the phone number has been disconnected (alpha)."
}
},
"RndFeatureOptions": {
"type": "object",
"additionalProperties": false,
"properties": {
"contactDate": {
"type": "string",
"description": "Last contact date in YYYY-MM-DD format.",
"format": "date"
}
}
}
}
}
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