Overview history - Share of Voice

API + MCP

GET/v3/brand-radar/sov-history

Requests to this endpoint consume API units based on the prompts parameter: requests returning only custom prompt data are free, while requests including Ahrefs prompt data follow standard API unit pricing.

Query parameters

wherestring

The filter expression. The following column identifiers are recognized (this differs from the identifiers recognized by the select parameter).

date_tostring (date)

The end date of the historical period in YYYY-MM-DD format.

date_fromstring (date)Required

The start date of the historical period in YYYY-MM-DD format.

countrystring

A comma-separated list of two-letter country codes (ISO 3166-1 alpha-2).

Allowed values:adaeafagaialamaoarasatauawazbabbbdbebfbgbhbibjbnbobrbsbtbwbybzcacdcfcgchcickclcmcncocrcucvcyczdedjdkdmdodzeceeegesetfifjfmfofrgagbgdgegfggghgiglgmgngpgqgrgtgugyhkhnhrhthuidieiliminiqisitjejmjojpkekgkhkiknkrkwkykzlalblclilklsltlulvlymamcmdmemgmkmlmmmnmqmrmsmtmumvmwmxmymznancnengninlnonpnrnunzompapepfpgphpkplpnprpsptpyqarerorsrurwsasbscsesgshsiskslsmsnsosrstsvtdtgthtjtktltmtntotrtttwtzuaugusuyuzvcvevgvivnvuwsyeytzazmzw

report_idstring

The ID of the report to use. If one is given, other parameters are taken from the report (brand, competitors, market, country, filters). If country or filters are provided, they override the ones in the report. You can find it in the URL of your Brand Radar report in Ahrefs: https://app.ahrefs.com/brand-radar/reports/#report_id#/...

promptsstring

The type of prompts to use. If not specified, both will be used. Custom prompts require a report_id to be provided.

Allowed values:ahrefscustom

data_sourcestringRequired

A comma-separated list of chatbot models. Google keyword models (google_ai_overviews_keywords, google_ai_mode_keywords) cannot be combined with each other or with other models.

Allowed values:chatgptgoogle_ai_overviewsgoogle_ai_modegeminiperplexitycopilotgrokgoogle_ai_overviews_keywordsgoogle_ai_mode_keywords

Example:chatgpt,perplexity

marketstring

A comma-separated list of the niche markets of your brands. Deprecated on 2026-05-18, this parameter will have no effect shortly after this date.

competitorsstring

A comma-separated list of competitors of your brands.

brandstring

A comma-separated list of brands to search for. At least one of brand, competitors, market or where should not be empty.

outputstring

The output format.

Allowed values:jsonphp

Responses

metricsarray<object>

datestring (date)

share_of_voicearray<object>

(1 unit per brand) Estimated share of voice for the brand.

brandstring

share_of_voicenumber (float)