{"id":21,"date":"2026-08-27T10:00:00","date_gmt":"2026-08-27T10:00:00","guid":{"rendered":"https:\/\/demos.canvaswp.com\/ai-payments\/2026\/08\/27\/merchant-locks-for-single-use-cards\/"},"modified":"2026-08-27T10:00:00","modified_gmt":"2026-08-27T10:00:00","slug":"merchant-locks-for-single-use-cards","status":"publish","type":"post","link":"https:\/\/demos.canvaswp.com\/ai-payments\/2026\/08\/27\/merchant-locks-for-single-use-cards\/","title":{"rendered":"Merchant locks for single-use cards"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Single-use cards already close after one payment. With merchant locks, you can also say exactly where that one payment is allowed to go. Set <code>merchant_lock<\/code> when you issue the card and any charge from a different merchant is declined before it reaches the network.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Locks match on the merchant name and category the card network reports, not on a web address, so a checkout page that redirects through a payment provider still matches the merchant you meant.<\/p>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Most agent spend is boring and predictable. Locks make the predictable part automatic, so the human only sees the surprises.<\/p>\n<\/blockquote>\n\n\n<p class=\"wp-block-paragraph\">Merchant locks are available on every plan and work alongside budgets, category rules and approval thresholds.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>A single-use card can now be locked to one merchant, so a card issued to pay for a search API can only ever pay that search API.<\/p>\n","protected":false},"author":101,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,4],"class_list":["post-21","post","type-post","status-publish","format-standard","hentry","category-changelog","tag-cards","tag-controls"],"_links":{"self":[{"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/posts\/21","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/users\/101"}],"replies":[{"embeddable":true,"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/comments?post=21"}],"version-history":[{"count":0,"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/posts\/21\/revisions"}],"wp:attachment":[{"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/media?parent=21"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/categories?post=21"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demos.canvaswp.com\/ai-payments\/wp-json\/wp\/v2\/tags?post=21"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}