We are seeing exactly the same problem
Simple example to lookup track by isrc:USSM11906291
Result returned by OAuth token from search console (and expected result)
https://developer.spotify.com/console/get-search-item/?q=isrc%3AUSSM11906291&type=&market=&limit=1&o...
curl -X "GET" "https://api.spotify.com/v1/search?query=isrc%3AUSSM11906291&type=track&offset=0&limit=1" -H "Accept: application/json" -H "Content-Type: application/json" -H "Authorization: Bearer xxxx"
{
"tracks" : {
"href" : "https://api.spotify.com/v1/search?query=isrc%3AUSSM11906291&type=track&offset=0&limit=1",
"items" : [ ],
"limit" : 1,
"next" : null,
"offset" : 0,
"previous" : null,
"total" : 0
}
}{
"tracks" : {
"href" : "https://api.spotify.com/v1/search?query=isrc%3AUSSM11906291&type=track&offset=0&limit=1",
"items" : [ {
"album" : {
"album_type" : "single",
"artists" : [ {
"external_urls" : {
"spotify" : "https://open.spotify.com/artist/1MXZ0hsGic96dWRDKwAwdr"
},
"href" : "https://api.spotify.com/v1/artists/1MXZ0hsGic96dWRDKwAwdr",
"id" : "1MXZ0hsGic96dWRDKwAwdr",
"name" : "Tyla Yaweh",
"type" : "artist",
"uri" : "spotify:artist:1MXZ0hsGic96dWRDKwAwdr"
} ],
"available_markets" : [ "AE", "BH", "BY", "EG", "ID", "IN", "JO", "KR", "KW", "LB", "MY", "OM", "PH", "PS", "QA", "SA", "ZA" ],
"external_urls" : {
"spotify" : "https://open.spotify.com/album/5rYqahY5a5JngAtWhGsDxd"
},
"href" : "https://api.spotify.com/v1/albums/5rYqahY5a5JngAtWhGsDxd",
"id" : "5rYqahY5a5JngAtWhGsDxd",
"images" : [ {
"height" : 640,
"url" : "https://i.scdn.co/image/ab67616d0000b273fed5753dfd79d9ccabd1c8ab",
"width" : 640
}, {
"height" : 300,
"url" : "https://i.scdn.co/image/ab67616d00001e02fed5753dfd79d9ccabd1c8ab",
"width" : 300
}, {
"height" : 64,
"url" : "https://i.scdn.co/image/ab67616d00004851fed5753dfd79d9ccabd1c8ab",
"width" : 64
} ],
"name" : "I Think I Luv Her (feat. YG)",
"release_date" : "2019-09-27",
"release_date_precision" : "day",
"total_tracks" : 1,
"type" : "album",
"uri" : "spotify:album:5rYqahY5a5JngAtWhGsDxd"
},
"artists" : [ {
"external_urls" : {
"spotify" : "https://open.spotify.com/artist/1MXZ0hsGic96dWRDKwAwdr"
},
"href" : "https://api.spotify.com/v1/artists/1MXZ0hsGic96dWRDKwAwdr",
"id" : "1MXZ0hsGic96dWRDKwAwdr",
"name" : "Tyla Yaweh",
"type" : "artist",
"uri" : "spotify:artist:1MXZ0hsGic96dWRDKwAwdr"
}, {
"external_urls" : {
"spotify" : "https://open.spotify.com/artist/0A0FS04o6zMoto8OKPsDwY"
},
"href" : "https://api.spotify.com/v1/artists/0A0FS04o6zMoto8OKPsDwY",
"id" : "0A0FS04o6zMoto8OKPsDwY",
"name" : "YG",
"type" : "artist",
"uri" : "spotify:artist:0A0FS04o6zMoto8OKPsDwY"
} ],
"available_markets" : [ "AE", "BH", "BY", "EG", "ID", "IN", "JO", "KR", "KW", "LB", "MY", "OM", "PH", "PS", "QA", "SA", "ZA" ],
"disc_number" : 1,
"duration_ms" : 160742,
"explicit" : false,
"external_ids" : {
"isrc" : "USSM11906291"
},
"external_urls" : {
"spotify" : "https://open.spotify.com/track/46jINX5I0agia69cDovyYg"
},
"href" : "https://api.spotify.com/v1/tracks/46jINX5I0agia69cDovyYg",
"id" : "46jINX5I0agia69cDovyYg",
"is_local" : false,
"name" : "I Think I Luv Her (feat. YG)",
"popularity" : 1,
"preview_url" : "https://p.scdn.co/mp3-preview/c09049f6f62d361c78e1d2d97318b15900a4a4fd?cid=774b29d4f13844c495f206cafdad9c86",
"track_number" : 1,
"type" : "track",
"uri" : "spotify:track:46jINX5I0agia69cDovyYg"
} ],
"limit" : 1,
"next" : null,
"offset" : 0,
"previous" : null,
"total" : 1
}
}
However, results returned by using token generated from client id/secret
curl -X "GET" "https://api.spotify.com/v1/search?query=isrc%3AUSSM11906291&type=track&offset=0&limit=1" -H "Accept: application/json" -H "Content-Type: application/json" -H "Authorization: Barer xxxx"
{
"tracks" : {
"href" : "https://api.spotify.com/v1/search?query=isrc%3AUSSM11906291&type=track&offset=0&limit=1",
"items" : [ ],
"limit" : 1,
"next" : null,
"offset" : 0,
"previous" : null,
"total" : 0
}
While other ISRC seems to work fine? ex: USWB11902981