🟡 Paso 1: Construyendo payload...

Payload:
{
    "Keywords": "portatil",
    "SearchIndex": "All",
    "ItemCount": 5,
    "Resources": [
        "ItemInfo.Title",
        "Offers.Listings.Price",
        "Images.Primary.Small"
    ],
    "PartnerTag": "laostia00-21",
    "PartnerType": "Associates",
    "Marketplace": "www.amazon.es"
}

🟡 Paso 2: Canonical request...

CanonicalRequest:
POST
/paapi5/searchitems

content-encoding:amz-1.0
host:webservices.amazon.es
x-amz-date:20250702T021325Z
x-amz-target:com.amazon.paapi5.v1.ProductAdvertisingAPIv1.SearchItems

content-encoding;host;x-amz-date;x-amz-target
55794c9a1129a8a9b59dfe0160e6952137b65b4b1b50d0d22d9058ce970db042

🟡 Paso 3: Generando firma...

Firma generada:
f2f6666ea75980457ff56121f5c5ad5bd78c7d546c1d978f8fd4afa28a7e06f8

🟡 Paso 4: Enviando solicitud cURL...

🟢 Respuesta cruda:

{"SearchResult":{"Items":[{"ASIN":"B098TXY486","DetailPageURL":"https://www.amazon.es/dp/B098TXY486?tag=laostia00-21&linkCode=osi&th=1&psc=1","Images":{"Primary":{"Small":{"Height":75,"URL":"https://m.media-amazon.com/images/I/31Ak6z1u6ZL._SL75_.jpg","Width":75}}},"ItemInfo":{"Title":{"DisplayValue":"HP ELITEBOOK 840 G3 INTEL CORE I5-6200U 6ª GEN 2.3GHZ WEBCAM 16GB RAM 256GB SSD Windows 10 PRO 64BIT (Reacondicionado)","Label":"Title","Locale":"es_ES"}},"Offers":{"Listings":[{"Id":"LIlensPQcKZ0sNCa3NZELmOHSD4puA3%2FJbA%2FvjVMzV8TIs0py5rf6SB0YqsEqSuDh5NXUZBytFwmGIie6D5%2B2oGowBQLW4moQyrJPxXFbxqUhiE1rMz3qU7A7zMt7eZih72t7xaZKNxTVlHPw10G1OO3QwQmiPb9lUr4b4m9chKhJc0iRXgRf4CssKjZBuWQ","Price":{"Amount":183.5,"Currency":"EUR","DisplayAmount":"183,50 €","Savings":{"Amount":36.5,"Currency":"EUR","DisplayAmount":"36,50 € (17%)","Percentage":17}},"ViolatesMAP":false}]}},{"ASIN":"B0DK5V7J6L","DetailPageURL":"https://www.amazon.es/dp/B0DK5V7J6L?tag=laostia00-21&linkCode=osi&th=1&psc=1","Images":{"Primary":{"Small":{"Height":75,"URL":"https://m.media-amazon.com/images/I/41cZ-l29x1L._SL75_.jpg","Width":75}}},"ItemInfo":{"Title":{"DisplayValue":"HP 15-fd0186ns - Ordenador portátil de 15.6\" FHD (Intel N100, 4GB RAM, 128GB UFS, Intel UHD, Windows 11) Plata - Teclado QWERTY Español - Incluye Microsoft 365 Personal 12 Meses","Label":"Title","Locale":"es_ES"}},"Offers":{"Listings":[{"Id":"LIlensPQcKZ0sNCa3NZELpB6cT6TwUdrweg2DCMAINTkxluk%2FktRbLi3I584yu1dsf58NwFbUxUcmKY7QE%2FDLm0el6bSMABJSvY6ag3DHTjCrPsCLtupAjfsd4DWob%2BewyIvVzHPFGdCuzn4vHO8%2FA%3D%3D","Price":{"Amount":279.99,"Currency":"EUR","DisplayAmount":"279,99 €","Savings":{"Amount":69.01,"Currency":"EUR","DisplayAmount":"69,01 € (20%)","Percentage":20}},"ViolatesMAP":false}]}},{"ASIN":"B09NW4BWFB","DetailPageURL":"https://www.amazon.es/dp/B09NW4BWFB?tag=laostia00-21&linkCode=osi&th=1&psc=1","Images":{"Primary":{"Small":{"Height":75,"URL":"https://m.media-amazon.com/images/I/31z-pGVEGeL._SL75_.jpg","Width":75}}},"ItemInfo":{"Title":{"DisplayValue":"Ordenador portátil DELL Latitude 5480 Core i5 | Windows 11 Pro Pantalla 14\" Full HD | 16 GB RAM SSD M.2 256 GB | TypeC USB3 Webcam HDMI PC Empresarial Business Laptop Smartworking (reacondicionado)","Label":"Title","Locale":"es_ES"}},"Offers":{"Listings":[{"Id":"LIlensPQcKZ0sNCa3NZELq11iXq0f0KR6MHrzUPhTfTgPeniWA8tKYfNzGvPzJpJ7EtUn24Bg2WFESlX033P5Yt94P2t96GZdYEzw3y0T1OVwsGCWSsW32ggRjZCFTrGgdOlizoXVd7GGp9VmNQs91QWsJWdt20F6KmG2XLNhRhdNMnU%2B21UaukcEzy4DhWl","Price":{"Amount":169.69,"Currency":"EUR","DisplayAmount":"169,69 €","Savings":{"Amount":15.31,"Currency":"EUR","DisplayAmount":"15,31 € (8%)","Percentage":8}},"ViolatesMAP":false}]}},{"ASIN":"B0DK5SYTLW","DetailPageURL":"https://www.amazon.es/dp/B0DK5SYTLW?tag=laostia00-21&linkCode=osi&th=1&psc=1","Images":{"Primary":{"Small":{"Height":75,"URL":"https://m.media-amazon.com/images/I/41jvRjWihzL._SL75_.jpg","Width":75}}},"ItemInfo":{"Title":{"DisplayValue":"HP 15-fd0187ns - Ordenador portátil de 15.6\" FHD (Intel N100, 8GB RAM, 256GB SSD, Intel UHD, Windows 11) Plata - Teclado QWERTY Español","Label":"Title","Locale":"es_ES"}},"Offers":{"Listings":[{"Id":"LIlensPQcKZ0sNCa3NZELlhbi3YdPJadIKe7141V4om92N2Wr21VcvEtMUDCuKNQ7LLbqmTqreCyjA8Lv4UlCnW04JrrXWgEJf8Yu0o1kFXwoxjY%2BHme6sZtohPBmidrG11SJl6oe4Ooj2WByyFJJQ%3D%3D","Price":{"Amount":349.99,"Currency":"EUR","DisplayAmount":"349,99 €","Savings":{"Amount":32.57,"Currency":"EUR","DisplayAmount":"32,57 € (9%)","Percentage":9}},"ViolatesMAP":false}]}},{"ASIN":"B0F6K7JYHC","DetailPageURL":"https://www.amazon.es/dp/B0F6K7JYHC?tag=laostia00-21&linkCode=osi&th=1&psc=1","Images":{"Primary":{"Small":{"Height":54,"URL":"https://m.media-amazon.com/images/I/41Ob5iqLSuL._SL75_.jpg","Width":75}}},"ItemInfo":{"Title":{"DisplayValue":"HP Elitebook 725 G4 - Ordenador portátil de negocios de 12,5 pulgadas, AMD Pro A8-9600B, 8 GB de RAM, SSD de 256 GB, teclado EE.UU., Windows 10 Pro (reacondicionado)","Label":"Title","Locale":"es_ES"}},"Offers":{"Listings":[{"Id":"LIlensPQcKZ0sNCa3NZELq0cP2hiR30fgQTogFRytmsEytww3xUSd8NZM5zGUSJ64EgXqfbWv3akSsvkXeI4uodpbIPuswBldzBenjZ%2Bj00I4iLnxzr51%2BNuiBv4zxOU%2FKkDnki3GUR5WAd1sl3dfq1rVpgf0V7fz0MnB8YU8iHIacs2X51msS4xNPACmCGc","Price":{"Amount":158.0,"Currency":"EUR","DisplayAmount":"158,00 €"},"ViolatesMAP":false}]}}],"SearchURL":"https://www.amazon.es/s?k=portatil&rh=p_n_availability%3A831278031&tag=laostia00-21&linkCode=osi","TotalResultCount":306}}

🔍 Respuesta decodificada:

Array
(
    [SearchResult] => Array
        (
            [Items] => Array
                (
                    [0] => Array
                        (
                            [ASIN] => B098TXY486
                            [DetailPageURL] => https://www.amazon.es/dp/B098TXY486?tag=laostia00-21&linkCode=osi&th=1&psc=1
                            [Images] => Array
                                (
                                    [Primary] => Array
                                        (
                                            [Small] => Array
                                                (
                                                    [Height] => 75
                                                    [URL] => https://m.media-amazon.com/images/I/31Ak6z1u6ZL._SL75_.jpg
                                                    [Width] => 75
                                                )

                                        )

                                )

                            [ItemInfo] => Array
                                (
                                    [Title] => Array
                                        (
                                            [DisplayValue] => HP ELITEBOOK 840 G3 INTEL CORE I5-6200U 6ª GEN 2.3GHZ WEBCAM 16GB RAM 256GB SSD Windows 10 PRO 64BIT (Reacondicionado)
                                            [Label] => Title
                                            [Locale] => es_ES
                                        )

                                )

                            [Offers] => Array
                                (
                                    [Listings] => Array
                                        (
                                            [0] => Array
                                                (
                                                    [Id] => LIlensPQcKZ0sNCa3NZELmOHSD4puA3%2FJbA%2FvjVMzV8TIs0py5rf6SB0YqsEqSuDh5NXUZBytFwmGIie6D5%2B2oGowBQLW4moQyrJPxXFbxqUhiE1rMz3qU7A7zMt7eZih72t7xaZKNxTVlHPw10G1OO3QwQmiPb9lUr4b4m9chKhJc0iRXgRf4CssKjZBuWQ
                                                    [Price] => Array
                                                        (
                                                            [Amount] => 183.5
                                                            [Currency] => EUR
                                                            [DisplayAmount] => 183,50 €
                                                            [Savings] => Array
                                                                (
                                                                    [Amount] => 36.5
                                                                    [Currency] => EUR
                                                                    [DisplayAmount] => 36,50 € (17%)
                                                                    [Percentage] => 17
                                                                )

                                                        )

                                                    [ViolatesMAP] => 
                                                )

                                        )

                                )

                        )

                    [1] => Array
                        (
                            [ASIN] => B0DK5V7J6L
                            [DetailPageURL] => https://www.amazon.es/dp/B0DK5V7J6L?tag=laostia00-21&linkCode=osi&th=1&psc=1
                            [Images] => Array
                                (
                                    [Primary] => Array
                                        (
                                            [Small] => Array
                                                (
                                                    [Height] => 75
                                                    [URL] => https://m.media-amazon.com/images/I/41cZ-l29x1L._SL75_.jpg
                                                    [Width] => 75
                                                )

                                        )

                                )

                            [ItemInfo] => Array
                                (
                                    [Title] => Array
                                        (
                                            [DisplayValue] => HP 15-fd0186ns - Ordenador portátil de 15.6" FHD (Intel N100, 4GB RAM, 128GB UFS, Intel UHD, Windows 11) Plata - Teclado QWERTY Español - Incluye Microsoft 365 Personal 12 Meses
                                            [Label] => Title
                                            [Locale] => es_ES
                                        )

                                )

                            [Offers] => Array
                                (
                                    [Listings] => Array
                                        (
                                            [0] => Array
                                                (
                                                    [Id] => LIlensPQcKZ0sNCa3NZELpB6cT6TwUdrweg2DCMAINTkxluk%2FktRbLi3I584yu1dsf58NwFbUxUcmKY7QE%2FDLm0el6bSMABJSvY6ag3DHTjCrPsCLtupAjfsd4DWob%2BewyIvVzHPFGdCuzn4vHO8%2FA%3D%3D
                                                    [Price] => Array
                                                        (
                                                            [Amount] => 279.99
                                                            [Currency] => EUR
                                                            [DisplayAmount] => 279,99 €
                                                            [Savings] => Array
                                                                (
                                                                    [Amount] => 69.01
                                                                    [Currency] => EUR
                                                                    [DisplayAmount] => 69,01 € (20%)
                                                                    [Percentage] => 20
                                                                )

                                                        )

                                                    [ViolatesMAP] => 
                                                )

                                        )

                                )

                        )

                    [2] => Array
                        (
                            [ASIN] => B09NW4BWFB
                            [DetailPageURL] => https://www.amazon.es/dp/B09NW4BWFB?tag=laostia00-21&linkCode=osi&th=1&psc=1
                            [Images] => Array
                                (
                                    [Primary] => Array
                                        (
                                            [Small] => Array
                                                (
                                                    [Height] => 75
                                                    [URL] => https://m.media-amazon.com/images/I/31z-pGVEGeL._SL75_.jpg
                                                    [Width] => 75
                                                )

                                        )

                                )

                            [ItemInfo] => Array
                                (
                                    [Title] => Array
                                        (
                                            [DisplayValue] => Ordenador portátil DELL Latitude 5480 Core i5 | Windows 11 Pro Pantalla 14" Full HD | 16 GB RAM SSD M.2 256 GB | TypeC USB3 Webcam HDMI PC Empresarial Business Laptop Smartworking (reacondicionado)
                                            [Label] => Title
                                            [Locale] => es_ES
                                        )

                                )

                            [Offers] => Array
                                (
                                    [Listings] => Array
                                        (
                                            [0] => Array
                                                (
                                                    [Id] => LIlensPQcKZ0sNCa3NZELq11iXq0f0KR6MHrzUPhTfTgPeniWA8tKYfNzGvPzJpJ7EtUn24Bg2WFESlX033P5Yt94P2t96GZdYEzw3y0T1OVwsGCWSsW32ggRjZCFTrGgdOlizoXVd7GGp9VmNQs91QWsJWdt20F6KmG2XLNhRhdNMnU%2B21UaukcEzy4DhWl
                                                    [Price] => Array
                                                        (
                                                            [Amount] => 169.69
                                                            [Currency] => EUR
                                                            [DisplayAmount] => 169,69 €
                                                            [Savings] => Array
                                                                (
                                                                    [Amount] => 15.31
                                                                    [Currency] => EUR
                                                                    [DisplayAmount] => 15,31 € (8%)
                                                                    [Percentage] => 8
                                                                )

                                                        )

                                                    [ViolatesMAP] => 
                                                )

                                        )

                                )

                        )

                    [3] => Array
                        (
                            [ASIN] => B0DK5SYTLW
                            [DetailPageURL] => https://www.amazon.es/dp/B0DK5SYTLW?tag=laostia00-21&linkCode=osi&th=1&psc=1
                            [Images] => Array
                                (
                                    [Primary] => Array
                                        (
                                            [Small] => Array
                                                (
                                                    [Height] => 75
                                                    [URL] => https://m.media-amazon.com/images/I/41jvRjWihzL._SL75_.jpg
                                                    [Width] => 75
                                                )

                                        )

                                )

                            [ItemInfo] => Array
                                (
                                    [Title] => Array
                                        (
                                            [DisplayValue] => HP 15-fd0187ns - Ordenador portátil de 15.6" FHD (Intel N100, 8GB RAM, 256GB SSD, Intel UHD, Windows 11) Plata - Teclado QWERTY Español
                                            [Label] => Title
                                            [Locale] => es_ES
                                        )

                                )

                            [Offers] => Array
                                (
                                    [Listings] => Array
                                        (
                                            [0] => Array
                                                (
                                                    [Id] => LIlensPQcKZ0sNCa3NZELlhbi3YdPJadIKe7141V4om92N2Wr21VcvEtMUDCuKNQ7LLbqmTqreCyjA8Lv4UlCnW04JrrXWgEJf8Yu0o1kFXwoxjY%2BHme6sZtohPBmidrG11SJl6oe4Ooj2WByyFJJQ%3D%3D
                                                    [Price] => Array
                                                        (
                                                            [Amount] => 349.99
                                                            [Currency] => EUR
                                                            [DisplayAmount] => 349,99 €
                                                            [Savings] => Array
                                                                (
                                                                    [Amount] => 32.57
                                                                    [Currency] => EUR
                                                                    [DisplayAmount] => 32,57 € (9%)
                                                                    [Percentage] => 9
                                                                )

                                                        )

                                                    [ViolatesMAP] => 
                                                )

                                        )

                                )

                        )

                    [4] => Array
                        (
                            [ASIN] => B0F6K7JYHC
                            [DetailPageURL] => https://www.amazon.es/dp/B0F6K7JYHC?tag=laostia00-21&linkCode=osi&th=1&psc=1
                            [Images] => Array
                                (
                                    [Primary] => Array
                                        (
                                            [Small] => Array
                                                (
                                                    [Height] => 54
                                                    [URL] => https://m.media-amazon.com/images/I/41Ob5iqLSuL._SL75_.jpg
                                                    [Width] => 75
                                                )

                                        )

                                )

                            [ItemInfo] => Array
                                (
                                    [Title] => Array
                                        (
                                            [DisplayValue] => HP Elitebook 725 G4 - Ordenador portátil de negocios de 12,5 pulgadas, AMD Pro A8-9600B, 8 GB de RAM, SSD de 256 GB, teclado EE.UU., Windows 10 Pro (reacondicionado)
                                            [Label] => Title
                                            [Locale] => es_ES
                                        )

                                )

                            [Offers] => Array
                                (
                                    [Listings] => Array
                                        (
                                            [0] => Array
                                                (
                                                    [Id] => LIlensPQcKZ0sNCa3NZELq0cP2hiR30fgQTogFRytmsEytww3xUSd8NZM5zGUSJ64EgXqfbWv3akSsvkXeI4uodpbIPuswBldzBenjZ%2Bj00I4iLnxzr51%2BNuiBv4zxOU%2FKkDnki3GUR5WAd1sl3dfq1rVpgf0V7fz0MnB8YU8iHIacs2X51msS4xNPACmCGc
                                                    [Price] => Array
                                                        (
                                                            [Amount] => 158
                                                            [Currency] => EUR
                                                            [DisplayAmount] => 158,00 €
                                                        )

                                                    [ViolatesMAP] => 
                                                )

                                        )

                                )

                        )

                )

            [SearchURL] => https://www.amazon.es/s?k=portatil&rh=p_n_availability%3A831278031&tag=laostia00-21&linkCode=osi
            [TotalResultCount] => 306
        )

)

Resultados:


HP ELITEBOOK 840 G3 INTEL CORE I5-6200U 6ª GEN 2.3GHZ WEBCAM 16GB RAM 256GB SSD Windows 10 PRO 64BIT (Reacondicionado)
Precio: 183,50 €

HP 15-fd0186ns - Ordenador portátil de 15.6" FHD (Intel N100, 4GB RAM, 128GB UFS, Intel UHD, Windows 11) Plata - Teclado QWERTY Español - Incluye Microsoft 365 Personal 12 Meses
Precio: 279,99 €

Ordenador portátil DELL Latitude 5480 Core i5 | Windows 11 Pro Pantalla 14" Full HD | 16 GB RAM SSD M.2 256 GB | TypeC USB3 Webcam HDMI PC Empresarial Business Laptop Smartworking (reacondicionado)
Precio: 169,69 €

HP 15-fd0187ns - Ordenador portátil de 15.6" FHD (Intel N100, 8GB RAM, 256GB SSD, Intel UHD, Windows 11) Plata - Teclado QWERTY Español
Precio: 349,99 €

HP Elitebook 725 G4 - Ordenador portátil de negocios de 12,5 pulgadas, AMD Pro A8-9600B, 8 GB de RAM, SSD de 256 GB, teclado EE.UU., Windows 10 Pro (reacondicionado)
Precio: 158,00 €