{"id":245,"date":"2025-12-23T19:56:30","date_gmt":"2025-12-23T19:56:30","guid":{"rendered":"https:\/\/www.keywordrush.com\/blog\/?p=245"},"modified":"2026-09-05T15:08:51","modified_gmt":"2026-09-05T15:08:51","slug":"amazon-creator-api-what-changed-and-how-to-switch","status":"publish","type":"post","link":"https:\/\/www.keywordrush.com\/blog\/amazon-creator-api-what-changed-and-how-to-switch\/","title":{"rendered":"Amazon Creators API: What Changed and How to Switch"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Update \u2014 05 Sep 2026: v2.x credentials stop working on September 11, 2026<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Amazon has moved the Creators API to <strong>Login with Amazon (LwA)<\/strong>. Credentials issued under the older <strong>v2.x<\/strong> scheme (Cognito) stop working <strong>after September 11, 2026<\/strong> \u2014 you need to create new <strong>v3.0<\/strong> credentials. This is a version bump inside the Creators API, so it also affects everyone who migrated off PA-API earlier this year.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Check your Credential ID:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Starts with <code>amzn1.<\/code> \u2014 already v3.0, nothing to do.<\/li>\n\n\n\n<li>Short alphanumeric string (e.g. <code>2bvvavlv1lcr9qrortbo4n36iv<\/code>) \u2014 v2.x, regenerate before September 11.<\/li>\n\n\n\n<li>Still on PA-API Access\/Secret keys \u2014 that endpoint is already retired, switch now.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How to switch (two minutes):<\/strong> Associates Central \u2192 Tools \u2192 Creators API \u2192 Create Credential. Save the Credential ID and Secret (shown once), then paste them into <em>Content Egg \u2192 Settings \u2192 Amazon<\/em> under <em>Credential ID \/ Secret (Creators API) \u2014 Primary<\/em>. Leave <em>Credential Version<\/em> on <strong>Auto<\/strong> \u2014 the plugin detects v3 from the <code>amzn1.<\/code> prefix. Multi-region setups: repeat for the NA \/ EU \/ FE fields.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Amazon&#8217;s email also tells you to download the latest SDK and budget three hours \u2014 that is for developers maintaining their own integration. Content Egg Pro has LwA built in since <strong>18.16.5<\/strong>; update the plugin and paste the credentials. Nothing else changes: tags, locales, templates and imported products stay as they are, no re-import needed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Update \u2014 20 Jun 2026<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Amazon has now sent another notice confirming that the <strong>PAAPI v5 endpoint is being retired<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The new deadline is <strong>June 30, 2026<\/strong>:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cWe&#8217;re retiring the PAAPI v5 endpoint. To avoid service disruptions, migrate to the new Creators API endpoint for PAAPI by June 30, 2026.\u201d<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">This removes most of the remaining ambiguity from earlier notices. Amazon is no longer talking only about Offers V1 \/ Offers V2 wording \u2014 they are now explicitly telling Associates and Influencers to switch PAAPI access to the <strong>new Creators API endpoint<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So the recommendation is simple:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your site, plugin, or custom integration still uses the old PAAPI v5 endpoint, migrate to Creators API before <strong>June 30, 2026<\/strong> to avoid possible service disruptions.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Update \u2014 09 Mar 2026<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A couple of additional things I noticed while testing the Amazon Creators API.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. New credentials are now issued as v3.x (Login with Amazon)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The request format differs slightly from older credentials:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>v3.x:<\/strong> Login with Amazon (LwA), JSON request body, credentials included in the payload<\/li>\n\n\n\n<li><strong>v2.x:<\/strong> Cognito, form-encoded requests with a Basic auth header<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Also note that in v3 the auth header no longer includes the API version, so if your integration supports multiple versions you\u2019ll need to account for that.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Credentials appear to be region-based<\/strong><br>From my testing, Creators API credentials are tied to an <strong>Amazon region<\/strong>, not individual marketplaces.<br>This means the <strong>same credentials work across all locales in the region<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>NA:<\/strong> US, CA, MX, BR &#8211; same credentials<\/li>\n\n\n\n<li><strong>EU:<\/strong> UK, DE, FR, IT, ES, NL, BE, EG, IN, IE, PL, SA, SE, TR, AE &#8211; same credentials<\/li>\n\n\n\n<li><strong>FE:<\/strong> JP, SG, AU &#8211; same credentials<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Unfortunately, Amazon does not provide clear documentation about this behavior, so these limitations can currently only be confirmed through practical testing.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Update \u2014 24 Feb 2026<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Today Amazon sent a new notice confirming that the <strong>Product Advertising API (PA-API \/ PAAPI v5) endpoint will be retired<\/strong>:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cWe will retire the PAAPI v5 endpoint on May 15, 2026. To avoid any service disruptions, please migrate to the new Creators API endpoint by that date.\u201d<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Also worth noting: Amazon\u2019s PA-API documentation currently states that <strong>PA-API will be deprecated on April 30, 2026<\/strong>, so the safest approach is to complete your migration <strong>before the end of April<\/strong> (and treat May 15 as the absolute latest fallback).&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Today I received an Amazon Associates email with the subject <strong>\u201cPAAPI Offers V1 Migration &#8211; Deadline Extended\u201d<\/strong>. Here\u2019s the exact message:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cWe extended our timeline of retiring Offers V1 on the Product Advertising API to January 31, 2026.<strong>&nbsp;Switch to the new Creators API endpoint by January 30<\/strong>&nbsp;to access PAAPI Offers V2.\u201d<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019re thinking: <em>\u201cWait \u2014 I already migrated from Offers V1 to Offers V2 inside PA-API 5.0!\u201d<\/em> \u2014 you\u2019re not alone. Amazon\u2019s wording is confusing (as always), because this is <strong>not<\/strong> about switching a PA-API response group anymore.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is Amazon telling us: <strong>Offers are moving to the Creators API platform<\/strong>.<\/p>\n\n\n\n<h2 id=\"what-s-actually-changing\" class=\"wp-block-heading\">Why this matters (and why it\u2019s not \u201cjust an API update\u201d)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Amazon has a pattern: big shifts arrive with vague messaging and short timelines. First we saw the sudden tightening of API access requirements (the well-known \u201c<a href=\"https:\/\/www.keywordrush.com\/blog\/amazon-pa-api-associatenoteligible-error-is-there-a-new-10-sales-rule\/\" title=\"\">10 qualifying sales in 30 days<\/a>\u201d rule), and now we\u2019re seeing Amazon redirecting developers to a <strong>new API family<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Creators API isn\u2019t a minor endpoint update. It looks like Amazon is laying groundwork for a broader platform focused on creators, automation, and credential management at scale. In other words: <strong>this is a platform migration<\/strong>, not a \u201cbump the version number\u201d situation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"what-s-actually-changing\">And because <strong>Offers data<\/strong> is where the money is \u2014 prices, availability, deals, merchant info \u2014 this change is especially important for affiliate sites.<\/p>\n\n\n\n<h2 id=\"what-content-egg-pro-users-should-do-easy-migration\" class=\"wp-block-heading\">What Content Egg Pro users should do (easy migration)<\/h2>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-60fefd8 gssimglightbox\" id=\"gspb_image-id-gsbp-60fefd8\"><img decoding=\"async\" src=\"https:\/\/www.keywordrush.com\/blog\/wp-content\/uploads\/2025\/12\/content-egg-amazon-creators-api-settings.webp\" data-src=\"\" alt=\"Content Egg Amazon module settings showing Creators API and PA-API support with fields to enter Creators API credentials for smooth migration.\" loading=\"lazy\" width=\"800px\" height=\"1188\"\/><\/div>\n\n\n\n<div id=\"gspb_text-id-gsbp-29657da\" class=\"gspb_text gspb_text-id-gsbp-29657da \"><em>Screenshot of the Content Egg Amazon module settings page. The module supports both Amazon Creators API and the legacy PA-API, allowing a smooth migration. Users simply enter their Creators API credentials in the settings to switch without breaking existing products.<\/em><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">We made this migration painless.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Update <a href=\"https:\/\/www.keywordrush.com\/contentegg\" title=\"\">Content Egg Pro<\/a> to the latest version<\/strong><\/li>\n\n\n\n<li>Go to <strong>Associates Central \u2192 Tools \u2192 Creators API<\/strong><\/li>\n\n\n\n<li><strong>Create a new application + new credentials<\/strong> (Credential ID + Credential Secret)<\/li>\n\n\n\n<li>Open <strong>Content Egg \u2192 Amazon module settings<\/strong> and paste the new credentials<\/li>\n<\/ol>\n\n\n\n<h3 id=\"that-s-all\" class=\"wp-block-heading\">That\u2019s all \u2705<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Your existing Amazon products will continue to update normally. No re-imports needed.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-36901c7 gssimglightbox\" id=\"gspb_image-id-gsbp-36901c7\"><img decoding=\"async\" src=\"https:\/\/www.keywordrush.com\/blog\/wp-content\/uploads\/2025\/12\/content-egg-amazon-creators-api-search-results.webp\" data-src=\"\" alt=\"Content Egg Amazon module search results by keyword using Amazon Creators API, showing product listings with prices, availability, images, and other standard fields.\" loading=\"lazy\" width=\"800px\" height=\"1072\"\/><\/div>\n\n\n\n<div id=\"gspb_text-id-gsbp-da1554a\" class=\"gspb_text gspb_text-id-gsbp-da1554a \"><em>Screenshot showing keyword-based product search results in the Content Egg Amazon module powered by the Amazon Creators API. The results display the same product fields as PA-API, including title, price, availability, images, and affiliate links, demonstrating full compatibility after migration.<\/em><\/div>\n\n\n\n<h2 id=\"for-developers-what-changes-in-creators-api\" class=\"wp-block-heading\">For developers: what changes in Creators API?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s what matters when migrating code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Authentication<\/strong>: OAuth 2.0 client-credentials flow (token valid ~1 hour; cache it)<\/li>\n\n\n\n<li><strong>Credentials<\/strong>: \u201cCredential ID + Credential Secret\u201d replace AWS keys (PA-API v5 style)<\/li>\n\n\n\n<li><strong>Payload casing<\/strong>: <code>ItemIds<\/code> \u2192 <code>itemIds<\/code>, <code>PartnerTag<\/code> \u2192 <code>partnerTag<\/code>, etc.<\/li>\n\n\n\n<li><strong>Operations<\/strong>: the \u201cshape\u201d is familiar (Search\/Get\/Variations), so migration is mostly plumbing + casing<\/li>\n\n\n\n<li><strong>Offers<\/strong>: Amazon\u2019s email explicitly ties <strong>Offers V2 access<\/strong> to the <strong>Creators API endpoint<\/strong> once Offers V1 is retired.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-4aac4a6 gssimglightbox\" id=\"gspb_image-id-gsbp-4aac4a6\"><img decoding=\"async\" src=\"https:\/\/www.keywordrush.com\/blog\/wp-content\/uploads\/2025\/12\/mapCreatorsKeyToPaApi.webp\" data-src=\"\" alt=\"Code editor screenshot showing mapCreatorsKeyToPaApi method converting Amazon Creators API lowerCamelCase fields to PA-API parameter names.\" loading=\"lazy\" width=\"800px\" height=\"966\"\/><\/div>\n\n\n\n<div id=\"gspb_text-id-gsbp-e2cfcff\" class=\"gspb_text gspb_text-id-gsbp-e2cfcff \"><em>Screenshot of the mapCreatorsKeyToPaApi() method in the Content Egg code editor. The method demonstrates how Amazon Creators API lowerCamelCase request and response fields are automatically converted to PA-API\u2013compatible parameter naming, ensuring backward compatibility with existing parsing logic.<\/em><\/div>\n\n\n\n<h2 id=\"faq\" class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<h3 id=\"product-advertising-api-vs-creators-api-what-s-the-difference\" class=\"wp-block-heading\">Product Advertising API vs Creators API \u2014 what\u2019s the difference?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Creators API is a newer platform approach: OAuth 2.0 tokens, new credentials, and updated conventions. PA-API 5.0 is the older platform using AWS keys\/signing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Creators API is where Amazon is actively directing migration efforts now, especially around Offers.<\/p>\n\n\n\n<h3 id=\"will-pa-api-be-closed\" class=\"wp-block-heading\">Will PA-API be closed?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Amazon hasn\u2019t clearly stated \u201cPA-API will be shut down entirely on X date\u201d in this email. What they <em>did<\/em> state is that <strong>Offers V1 will be retired on January 31, 2026<\/strong>, and to access <strong>Offers V2<\/strong> you must switch to the <strong>Creators API endpoint by January 30<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Even if parts of PA-API remain available, <strong>Offers are too important to gamble on<\/strong> \u2014 so migrating sooner is the safest move.<\/p>\n\n\n\n<h3 id=\"do-my-existing-pa-api-credentials-work-with-creators-api\" class=\"wp-block-heading\">Do my existing PA-API credentials work with Creators API?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Your <strong>AWS Access Key and Secret Key will not work<\/strong> with Creators API. You must create new credentials inside the Creators API section of Associates Central.<\/p>\n\n\n\n<h3 id=\"what-s-the-deadline\" class=\"wp-block-heading\">What\u2019s the deadline?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Offers V1 retirement:<\/strong> January 31, 2026<\/li>\n\n\n\n<li><strong>Switch date recommended by Amazon:<\/strong> by January 30, 2026<\/li>\n<\/ul>\n\n\n\n<h2 id=\"final-recommendation\" class=\"wp-block-heading\">Final recommendation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you use Amazon data on your site, treat this as a priority migration. Amazon is clearly moving important pieces (like Offers) into the Creators API ecosystem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019re a Content Egg Pro user, the good news is: <strong>we already handled the heavy lifting<\/strong>. Update, add new credentials, and you\u2019re set.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you run into anything odd during setup, reach out \u2014 and we\u2019ll help you get it sorted quickly.<\/p>\n\n\n\n<div style=\"border:1px solid #d8dce3;border-left:4px solid #4f46e5;border-radius:6px;padding:20px 22px;margin:32px 0;background:#fbfbfd\">\n  <div style=\"font-weight:700;font-size:1.05em;margin-bottom:10px\">If you&#8217;re on Content Egg Pro, this migration is a settings change<\/div>\n  <div style=\"margin-bottom:12px;line-height:1.6\">\n    Creators API support already ships in Content Egg Pro. Your existing product blocks, templates and saved data\n    keep working through the switch \u2014 there is nothing to rebuild and no content to re-import.\n    If you&#8217;re still on the free plugin or another importer, the retirement date is the thing to plan around,\n    and it is worth deciding before Amazon decides for you.\n  <\/div>\n  <div>\n    <a href=\"\/contentegg\/pricing\" style=\"display:inline-block;background:#4f46e5;color:#fff;text-decoration:none;padding:10px 18px;border-radius:5px;font-weight:600\">See Content Egg Pro pricing \u2192<\/a>\n  <\/div>\n  <div style=\"margin-top:12px;font-size:.92em;color:#555\">\n    Migrating from another plugin and unsure what carries over? <a href=\"\/contact\">Email me first<\/a> \u2014\n    I&#8217;d rather tell you it won&#8217;t fit than sell you the wrong thing. Independent since 2008.\n  <\/div>\n<\/div>\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Update \u2014 05 Sep 2026: v2.x credentials stop working on September 11, 2026 Amazon has moved the Creators API to Login with Amazon (LwA). Credentials issued under the older v2.x scheme (Cognito) stop working after September 11, 2026 \u2014 you need to create new v3.0 credentials. This is a version bump inside the Creators API, &#8230; <a title=\"Amazon Creators API: What Changed and How to Switch\" class=\"read-more\" href=\"https:\/\/www.keywordrush.com\/blog\/amazon-creator-api-what-changed-and-how-to-switch\/\" aria-label=\"Read more about Amazon Creators API: What Changed and How to Switch\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":281,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"#gspb_image-id-gsbp-60fefd8{text-align:center;margin-bottom:0;height:auto}#gspb_image-id-gsbp-60fefd8 img{vertical-align:top;display:inline-block;box-sizing:border-box;max-width:100%;width:800px;height:auto}@media (max-width:991.98px){#gspb_image-id-gsbp-60fefd8,#gspb_image-id-gsbp-60fefd8 img{height:auto}}@media (max-width:767.98px){#gspb_image-id-gsbp-60fefd8,#gspb_image-id-gsbp-60fefd8 img{height:auto}}@media (max-width:575.98px){#gspb_image-id-gsbp-60fefd8,#gspb_image-id-gsbp-60fefd8 img{height:auto}}.gspb_text-id-gsbp-29657da{font-size:12px;margin-top:10px!important;margin-bottom:40px!important}.gspb_text-id-gsbp-29657da,.gspb_text-id-gsbp-29657da .gsap-g-line{text-align:center!important}#gspb_image-id-gsbp-36901c7{text-align:center;margin-bottom:0;height:auto}#gspb_image-id-gsbp-36901c7 img{vertical-align:top;display:inline-block;box-sizing:border-box;max-width:100%;width:800px;height:auto}@media (max-width:991.98px){#gspb_image-id-gsbp-36901c7,#gspb_image-id-gsbp-36901c7 img{height:auto}}@media (max-width:767.98px){#gspb_image-id-gsbp-36901c7,#gspb_image-id-gsbp-36901c7 img{height:auto}}@media (max-width:575.98px){#gspb_image-id-gsbp-36901c7,#gspb_image-id-gsbp-36901c7 img{height:auto}}.gspb_text-id-gsbp-da1554a,.gspb_text-id-gsbp-da1554a .gsap-g-line{text-align:center!important}#gspb_image-id-gsbp-4aac4a6{text-align:center;margin-bottom:0;height:auto}#gspb_image-id-gsbp-4aac4a6 img{vertical-align:top;display:inline-block;box-sizing:border-box;max-width:100%;width:800px;height:auto}@media (max-width:991.98px){#gspb_image-id-gsbp-4aac4a6,#gspb_image-id-gsbp-4aac4a6 img{height:auto}}@media (max-width:767.98px){#gspb_image-id-gsbp-4aac4a6,#gspb_image-id-gsbp-4aac4a6 img{height:auto}}@media (max-width:575.98px){#gspb_image-id-gsbp-4aac4a6,#gspb_image-id-gsbp-4aac4a6 img{height:auto}}.gspb_text-id-gsbp-da1554a,.gspb_text-id-gsbp-e2cfcff{font-size:12px;margin-top:10px!important;margin-bottom:40px!important}.gspb_text-id-gsbp-e2cfcff,.gspb_text-id-gsbp-e2cfcff .gsap-g-line{text-align:center!important}","footnotes":""},"categories":[2],"tags":[],"class_list":["post-245","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-website-building"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Update \u2014 05 Sep 2026: v2.x credentials stop working on September 11, 2026 Amazon has moved the Creators API to Login with Amazon (LwA). 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