Esta es mi respuesta
jantoni@orangepipc:~$ ./test-api.sh
{"header":{"title":"Meteoclimatic","link":"https://www.meteoclimatic.com","description":"Meteoclimatic","version":"Alba-1.2101","copyright":"https://www.meteoclimatic.com/doc/legal","date":"2024-06-25T07:54:38+00:00","language":"ca","docs":"https://www.meteoclimatic.com/doc/api-post-station-weather","generator":"Meteoclimatic REST API V2"},"response":{"station":{"uin":1148,"id":"M720","updated":"2024-06-25T07:50:00+00:00","country":"ES","subdivision":"Madrid","city":"Rivas-Vaciamadrid","longitude":-3.52,"latitude":40.3564,"elevation":626,"sunrise":"2024-06-25T04:43:57+00:00","sunset":"2024-06-25T19:49:46+00:00","name":"Rivas-Vaciamadrid Centro1","mainQuality":"T","additionalQuality":null,"transitionalQuality":null,"owner":"J.A. García-Tenorio","organization":"J.A. García-Tenorio","homepage":"https://meteorivas.es","url":"https://www.meteoclimatic.com/ca/station/M720/rivas-vaciamadrid","timezone":"Etc/UTC","IR":{"a":2126,"b":91,"c":2196,"d":204},"data":{"converted":{"TMP":23.4,"DHTM":24.4,"DLTM":19.8,"MHTM":35.7,"MLTM":11.2,"YHTM":35.7,"YLTM":-1.8,"HUM":60,"DHHM":72,"DLHM":44,"MHHM":95,"MLHM":19,"YHHM":97,"YLHM":12,"BAR":1012.4,"DHBR":1012.4,"DLBR":1010.6,"MHBR":1022.7,"MLBR":1008.9,"YHBR":1039.3,"YLBR":988.1,"AZI":10,"WND":0.277777777777778,"DGST":5.833333333333338,"MGST":14.722222222222234,"YGST":16.111111111111125,"DPCP":0,"MPCP":13.6,"YPCP":104.8},"rejected":null,"recreated":null,"missing":null}}},"fault":{"status":"Datos no actualizados","code":426,"string":"Upgrade Required","requestID":"047f437a-8b05-4445-8abe-2a99dbc93d7c"}}jantoni@orangepipc:~$
El error es porque anteriormente ya había transmitido esa plantilla.