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HTTP/1.1 100 Continue
Date: Mon, 19 Jan 2026 19:56:47 GMT
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HTTP/1.1 400 Bad Request
debug-link: https://www.meta.com/debug/?mid=30d2026faf55753cb32f653242bd5d2f
error-mid: 30d2026faf55753cb32f653242bd5d2f
Vary: Origin
Vary: Accept-Encoding
x-fb-aed: 708
x-ad-api-version-warning: You are calling a deprecated version of the Ads API.
cross-origin-resource-policy: cross-origin
x-app-usage: {"call_count":0,"total_cputime":0,"total_time":0}
Content-Type: application/json; charset=UTF-8
WWW-Authenticate: OAuth "Facebook Platform" "invalid_request" "Invalid parameter"
Access-Control-Allow-Origin: *
facebook-api-version: v19.0
Strict-Transport-Security: max-age=15552000; preload
Pragma: no-cache
Cache-Control: no-store
Expires: Sat, 01 Jan 2000 00:00:00 GMT
x-fb-request-id: Aoeo_CI0W9bSwCQI8Vl_0jj
x-fb-trace-id: H5YKfVP6faL
x-fb-rev: 1032166130
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Date: Mon, 19 Jan 2026 19:56:47 GMT
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Alt-Svc: h3=":443"; ma=86400
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Content-Length: 633

{"error":{"message":"Invalid parameter","type":"OAuthException","code":100,"error_subcode":2804008,"is_transient":false,"error_user_title":"Param\u00e8tres de contenu non valides","error_user_msg":"Le param\u00e8tre de contenu que vous avez entr\u00e9 ne contient pas de liste d\u2019objets JSON. Entrez une liste d\u2019objets JSON contenant les ID de produit associ\u00e9s \u00e0 l\u2019\u00e9v\u00e8nement, ainsi que des informations sur les produits. Par exemple\u00a0: [{ 'id' : 'ABC123', 'quantity' : '2', 'item_price' : 5.99}, { 'id' : 'XYZ789' , 'quantity' : 2, 'item_price' : 9.99}]","fbtrace_id":"Aoeo_CI0W9bSwCQI8Vl_0jj"}}