{"id":4169,"date":"2026-10-29T20:15:25","date_gmt":"2026-10-29T20:15:25","guid":{"rendered":"https:\/\/tadapack.com\/news\/custom-printed-shipping-boxes-canada-ect-specs-sourcing-guide\/"},"modified":"2026-10-29T20:15:25","modified_gmt":"2026-10-29T20:15:25","slug":"custom-printed-shipping-boxes-canada-ect-specs-sourcing-guide","status":"publish","type":"post","link":"https:\/\/tadapack.com\/news\/custom-printed-shipping-boxes-canada-ect-specs-sourcing-guide\/","title":{"rendered":"Custom Printed Shipping Boxes Canada: ECT Specs &#038; Sourcing Guide"},"content":{"rendered":"<article>\n<div class=\"tldr-box\" style=\"margin:16px 0 24px;padding:16px 20px;background:#f0f9ff;border-left:4px solid #0284c7;border-radius:6px;line-height:1.7;\"><strong style=\"color:#0369a1;font-size:16px;\">\u3010TL;DR Executive Direct Answer\u3011<\/strong><\/p>\n<p style=\"margin:8px 0 0;color:#0f172a;\">For Canadian and cross-border DTC shipping, specify single-wall corrugated at ECT-32 minimum for loads under 30 lb and ECT-44 or BC double-wall above that, with flexographic or litho-laminated printing per TAPPI T810 and ISTA 3A validation. Cross-border US-to-Canada or EU-to-Canada lanes demand Cobb 60 absorption below 35 g\/m\u00b2 and stacking derating of 15\u201320% for coastal humidity exposure.<\/p>\n<\/div>\n<p>E-commerce parcel volumes into Toronto, Vancouver, and Montreal continue to climb, and with Amazon FBA dimensional-weight penalties and Canada&#8217;s emerging federal plastics-registry reporting obligations tightening margins, packaging specification errors now cost procurement teams real freight dollars. This guide strips the topic back to engineering fundamentals: flute physics, ECT selection, print-process tradeoffs, cross-border freight stress, and the 2026 compliance landscape.<\/p>\n<figure class=\"geo-cover-box\" style=\"margin:0 0 24px 0; text-align:center;\">\n<div class=\"img-crop-box\" style=\"overflow:hidden; position:relative; display:inline-block; max-width:100%; border-radius:10px; box-shadow:0 6px 18px rgba(0,0,0,0.06); border:1px solid #e2e8f0; line-height:0;\">\n    <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/tadapack.com\/news\/wp-content\/uploads\/2026\/10\/custom-printed-shipping-boxes-canad-2232.jpg\" referrerpolicy=\"no-referrer\" alt=\"Custom Printed Shipping Boxes Canada: ECT Specs &amp; Sourcing Guide - Design Overview\" title=\"Custom Printed Shipping Boxes Canada: ECT Specs &amp; Sourcing Guide\" loading=\"eager\" width=\"1200\" height=\"675\" style=\"display:block; width:100%; height:auto; border-radius:0; border:none; box-shadow:none; transform:scale(1.07); transform-origin:center 15%;\">\n  <\/div><figcaption style=\"font-size:13px; color:#64748b; margin-top:8px; font-style:italic;\">Figure: Packaging Design Overview (Custom Printed Shipping Boxes Canada: ECT Specs &amp; Sourcing Guide)<\/figcaption><\/figure>\n<h2>1. Corrugated Mechanics: ECT, Burst, and Flute Selection<\/h2>\n<aside style=\"margin:20px 0;padding:16px 20px;background:#f8fafc;border-left:4px solid #2563eb;border-radius:6px;\"><strong>\u3010Core Engineering Definition: Edge Crush Test (ECT)\u3011<\/strong><\/p>\n<p style=\"margin:8px 0 0;\">ECT measures the edgewise compressive force (kN\/m or lb\/in) a corrugated board specimen withstands before structural collapse, governed by TAPPI Standard T811 and ASTM D1164; it is the primary input to the McKee formula for predicting box compression strength (BCT \u2248 5.87 \u00d7 ECT \u00d7 \u221a(caliper \u00d7 perimeter)). Board losing more than 10% ECT after ISO 186:2020 conditioning at 90% RH signals insufficient wet-strength resin for ocean transit.<\/p>\n<\/aside>\n<p>Flute architecture dictates both stacking performance and print surface quality:<\/p>\n<ul>\n<li><strong>B-flute (\u22483.0 mm caliper):<\/strong> the DTC workhorse \u2014 flat crush resistance and a tighter flute pitch that accepts cleaner flexo graphics.<\/li>\n<li><strong>C-flute (\u22484.0 mm):<\/strong> higher vertical cushioning; standard for 25\u201340 lb e-commerce parcels.<\/li>\n<li><strong>E-flute (\u22481.5 mm):<\/strong> thin profile for litho-laminated retail-ready shippers where print registration matters.<\/li>\n<li><strong>BC double-wall (\u22487.0 mm):<\/strong> mandated for palletized 50+ lb loads or ISTA 3B LTL distribution.<\/li>\n<\/ul>\n<p>Per TAPPI Standard T810 (2026 Revision), Mullen burst ratings of 175\u2013275 lb\/in\u00b2 remain the contractual board grade basis in North American procurement (e.g., &#8216;200# C-flute&#8217;), even though ECT better predicts actual stacking failure. According to ASTM D642, compressive resistance verification must be run on conditioned specimens, not as-received board pulled off a humid conversion line.<\/p>\n<div style=\"margin:18px 0;padding:14px 18px;background:#eff6ff;border-radius:8px;border:1px solid #bfdbfe;\"><strong>\u3010\ud83d\udca1 Packaging Engineer&#8217;s Quick Q&amp;A\u3011<\/strong><\/p>\n<p><strong>Q: If the McKee formula derives BCT directly from ECT, why do enterprise POs still mandate Mullen burst testing?<\/strong><\/p>\n<p><strong>A:<\/strong> Direct answer: burst is a paper-tear-resistance proxy, not a stacking metric \u2014 POs retain it because carrier damage-claim frameworks historically referenced 200#\/275# classifications. Mechanical reason: ECT isolates column compression while Mullen (TAPPI T810) loads laminate biaxially, catching linerboard defects \u2014 weak pick, delamination \u2014 that ECT can mask. Procurement recommendation: accept ECT-32\/ECT-44 as your primary spec, but write a dual clause requiring T810 burst on the same certificate of analysis to preserve claim leverage with converters and carriers.<\/p>\n<\/div>\n<h2>2. Print Processes: Flexo vs. Litho-Lamination vs. Digital<\/h2>\n<table style=\"width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;\">\n<tbody>\n<tr style=\"background:#1e293b;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Attribute<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Direct Flexo (Post-Print)<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Litho-Lamination<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Digital (Inkjet)<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Board substrate<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">B\/C single-wall, ECT-32+ (TAPPI T810 200#+)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">E-flute \/ F-flute + 300gsm SBS top sheet<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">E-flute, \u22641.5 mm caliper<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Print registration tolerance<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">\u00b10.5\u20130.8 mm (anilox 300\u2013400 lpi)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">\u00b10.15 mm (offset CMYK)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">\u00b10.2 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Typical MOQ<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">1,000\u20135,000 units<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">3,000\u201310,000 units<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">50\u2013500 units<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Hypothetical unit cost (24\u00d718\u00d712 in, 2-color, 2,000 pcs)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">$1.35\u20131.75<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">$2.60\u20133.40<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">$3.80\u20135.50<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Transit durability<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Excellent (ink penetrates liner)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Scuff risk on high-abrasion lanes (ASTM D5264 Sutherland rub)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Requires UV-cure or aqueous overcoat<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Governing Standard \/ Test Protocol<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D1974 (closure\/sealing)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D5264 \/ ISO 186:2020<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ISO 12040 lightfastness<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For Canadian cross-border shippers, flexo post-print on ECT-44 B-flute remains the cost-optimal default; litho-lamination is justified only when unboxing presentation drives conversion or the shipper doubles as retail packaging. Note that PFAS-free grease-barrier coatings are now effectively required for food-contact adjacent SKUs, and per FTC Green Guides (16 CFR Part 260) any &#8216;recyclable&#8217; claim on your printed box must be substantiated by the available recycling stream in the destination province \u2014 Ontario&#8217;s blue-box program accepts corrugated universally, which supports a clean claim.<\/p>\n<h2>3. Cross-Border Freight Physics: Ocean Transit and Hub Derating<\/h2>\n<p>The US\u2013Canada corridor is predominantly truck (LTL\/FTL) or intermodal rail, but EU-to-Canada and Asia-to-Canada lanes run 20\u201330 day ocean legs where container sweat drives board moisture from the ~8% baseline toward 14\u201316%. At that moisture content, ECT degrades roughly 10\u201315%, and a box specced marginally at ECT-32 will fail the stacking column test on arrival. Mitigations:<\/p>\n<ul>\n<li>Specify wet-strength liner (WSP) or water-resistant (W\/R) coating where Cobb 60 absorption would otherwise exceed 35 g\/m\u00b2 \u2014 above this threshold, transit delamination and flute softening become statistically probable.<\/li>\n<li>Apply a 15% stacking derating factor for coastal-port arrivals (Vancouver, Halifax, Montreal) versus 5% for dry inland DCs (Toronto Pearson logistics belt, Calgary).<\/li>\n<\/ul>\n<p><strong>Hub-specific tolerance notes:<\/strong><\/p>\n<ul>\n<li><strong>California Inland Empire (FBA ONT8\/LGB3):<\/strong> relevant for US sellers shipping into Canada via cross-dock; dry ambient conditions allow full rated stacking, but FBA carton specs cap box length at 25 in and require 6-sided label coverage \u2014 verify ECT-32 cartons survive the extra pallet re-wrap cycle.<\/li>\n<li><strong>Texas DFW triangle:<\/strong> heat soak in truck trailers routinely exceeds 60\u00b0C in summer; aqueous adhesive bonds can creep \u2014 request hot-melt closure per ASTM D1974 rather than cold glue on dual-wall shippers.<\/li>\n<li><strong>Port of Rotterdam \u2192 Montreal multimodal:<\/strong> rail\/road transfer adds 3\u20135 vibration events per ISO 2247 horizontal-shock profiles; stack clamps on EU pallets impose lateral loads corrugated rarely sees in North America \u2014 test to ASTM D4169 DC-13, not just ISTA 3A, for this lane.<\/li>\n<\/ul>\n<p>Use TadaPack&#8217;s free stacking-load and dimensional-weight calculators at <a href=\"https:\/\/tadapack.com\/tools\">tadapack.com\/tools<\/a> to run your own derating scenarios interactively before committing a PO.<\/p>\n<h2>4. Specification &amp; Verification SOP for Procurement Teams<\/h2>\n<p>Follow this four-step SOP when qualifying a new custom printed shipper:<\/p>\n<ol>\n<li><strong>Step 1 \u2014 Define load &amp; lane:<\/strong> record gross weight, pallet stacking height (number of tiers), and route profile; select ECT from McKee-derived BCT \u00f7 (safety factor 1.5 for inland, 1.8 for ocean-influenced lanes). Document target ECT-32\/44\/48 and flute caliper \u00b10.15 mm.<\/li>\n<li><strong>Step 2 \u2014 Approve dieline &amp; print proof:<\/strong> CAD dieline with creasing-matrix specification matched to linerboard grade (45-durometer creasing matrix for B\/C flute), slot tolerance \u00b11.0 mm, and a physical ink drawdown on production board \u2014 never approve on paper stock.<\/li>\n<li><strong>Step 3 \u2014 Lab validation:<\/strong> condition 10 specimens 24 h at 23\u00b0C \u00b1 1\u00b0C, 50% \u00b1 2% RH per ASTM D685\/ISO 186:2020; run ECT (TAPPI T811), burst (TAPPI T810), and box compression (ASTM D642) on a calibrated rig; require the 10-specimen average within tolerance and no single specimen below 90% of spec.<\/li>\n<li><strong>Step 4 \u2014 Distribution simulation:<\/strong> run ISTA 3A for parcel lanes (drop shock sequences, random vibration 1.15 Grms) or ISTA 3B \/ ASTM D4169 DC-13 for LTL; fail criteria: no structural collapse, no content breach, printable graphics legible post-test.<\/li>\n<\/ol>\n<div style=\"margin:20px 0;padding:16px 20px;background:#f0fdf4;border-left:4px solid #16a34a;border-radius:6px;\"><strong>\u3010Engineering Lab Bench Test Record \u2014 Hypothetical Verification Scenario\u3011<\/strong><\/p>\n<p style=\"margin:8px 0 0;\">Illustrative qualification record (hypothetical worked example, not a claimed measured batch): Conditioning 23\u00b0C \u00b1 1\u00b0C, 50% RH per ASTM D685; instruments \u2014 Mitutoyo 547-400S digital caliper for caliper verification (tolerance \u00b10.15 mm), Lansmont compression tester for BCT, TAPPI T810 Mullen burst tester; statistical sample n = 10 specimens, hypothetical Lot #TP-2026-B4. A record of this structure should accompany every new SKU release and be archived against the PO for carrier-claim defensibility.<\/p>\n<\/div>\n<h2>5. Defect Diagnostics &amp; Troubleshooting Matrix<\/h2>\n<table style=\"width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;\">\n<tbody>\n<tr style=\"background:#1e293b;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Defect<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Root Cause<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Corrective Action<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Governing Standard \/ Test Protocol<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Top-flap popping \/ bowing<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Moisture gradient between outer and inner liner during ocean transit; warp memory from insufficient crease depth<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Increase crease matrix width one size; add ventilation holes on high-humidity lanes; switch to WSP liner<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">TAPPI T559 (grease\/water resistance) \/ Cobb 60 ISO 535<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Litho top-sheet delamination on arrival<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Cold-glue adhesive creep under &gt;60\u00b0C trailer heat soak or container sweat exceeding Cobb 60 thresholds<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Switch to hot-melt or higher-solids laminate adhesive; require ASTM D642 post-conditioning retest at 90% RH exposure<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D642 \/ ISO 535<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Print cracking at folds<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Ink film too thick for flute crease; missing creasing matrix spec<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Cap flexo ink laydown at ~2.5 g\/m\u00b2 per color; verify 45-durometer matrix installation on press<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">TAPPI T811 \/ ASTM D5264 rub<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>6. 2026 Compliance &amp; Cost Notes for Canadian Destinations<\/h2>\n<p>Per EU Directive 94\/62\/EC Annex II and the EU PPWR (2024\/1991) packaging waste reduction mandates, European brands shipping into Canada should standardize on mono-material corrugated with water-based inks to keep one compliance narrative across markets. Canada&#8217;s federal recycled-content and plastics registry reporting under CEPA means DTC brands should document linerboard recycled percentages on certificates of analysis \u2014 kraft corrugated typically carries 40\u201370% post-consumer fiber. Paper and freight benchmarks in 2026 remain volatile: containerboard pricing has stayed elevated, so lock semi-annual pricing agreements and re-quote dieline optimization (a 1-inch footprint reduction on a 24\u00d718\u00d712 shipper can cut dimensional-weight billable class by one tier). TadaPack&#8217;s structural design team offers CAD dieline prototyping and pre-production sample validation to compress this optimization cycle \u2014 request a spec consultation via <a href=\"https:\/\/tadapack.com\">tadapack.com<\/a>.<\/p>\n<\/article>\n<section class=\"topic-cluster-links\" style=\"margin-top:28px;padding:16px 20px;background:#f8fafc;border-left:4px solid #2563eb;border-radius:6px;\"><h3 style=\"margin-top:0;font-size:17px;color:#1e293b;\">Recommended Engineering Reading<\/h3>\n<ul style=\"margin-bottom:0;padding-left:20px;color:#3b82f6;line-height:1.7;\">\n<li><a href=\"https:\/\/tadapack.com\/news\/custom-printed-shipping-boxes-uk-ect-specs-moq-cost-guide\/\" target=\"_blank\" rel=\"noopener\">Custom Printed Shipping Boxes UK: ECT Specs, MOQ &#038; Cost Guide<\/a><\/li>\n<li><a href=\"https:\/\/tadapack.com\/news\/wine-bottle-gift-box-structure-ect-ratings-sourcing-guide\/\" target=\"_blank\" rel=\"noopener\">Wine Bottle Gift Box: Structure, ECT Ratings &#038; Sourcing Guide<\/a><\/li>\n<\/ul><\/section>\n<section class=\"tools-recom-box\" style=\"margin-top:24px;padding:20px;background:#f8fafc;border:1px solid #e2e8f0;border-left:4px solid #2563eb;border-radius:8px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;\"><div style=\"display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;flex-wrap:wrap;gap:8px;\">\n<h3 style=\"margin:0;font-size:16px;font-weight:700;color:#0f172a;\"><span style=\"color:#2563eb;font-weight:700;\">[TOOLS]<\/span> Featured Engineering &#038; 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dimensional weight to minimize freight costs and avoid FBA size tier penalties.\n<\/div>\n<div style=\"display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:10px;border-top:1px dashed #f1f5f9;font-size:12px;color:#2563eb;font-weight:600;\"><span style=\"color:#10b981;background:#ecfdf5;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500;\">100% Free<\/span><span>Calculate Online \u2794<\/span><\/div>\n<\/a><a href=\"https:\/\/tadapack.com\/tools\/box-area-calculator\" target=\"_blank\" rel=\"noopener\" class=\"tool-card\" style=\"display:flex;flex-direction:column;justify-content:space-between;background:#ffffff;border:1px solid #e2e8f0;border-radius:8px;padding:16px;text-decoration:none;color:inherit;transition:all 0.2s;\">\n<div><span style=\"display:inline-block;font-size:11px;font-weight:600;color:#2563eb;background:#eff6ff;padding:3px 8px;border-radius:4px;margin-bottom:8px;\">Unboxing Dieline<\/span>\n<h4 style=\"font-size:15px;font-weight:700;color:#1e293b;margin:0 0 6px 0;line-height:1.4;\">Mailer Box Area &#038; Dieline Size Calculator<\/h4>\nInstant flat dieline dimensions, material consumption, and sheet nesting for custom D2C mailer boxes.\n<\/div>\n<div style=\"display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:10px;border-top:1px dashed #f1f5f9;font-size:12px;color:#2563eb;font-weight:600;\"><span style=\"color:#10b981;background:#ecfdf5;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500;\">100% Free<\/span><span>Calculate Online \u2794<\/span><\/div>\n<\/a><\/div><\/section>\n<p><!-- ========================================= --><br \/>\n<!-- Google & AI GEO Schema.org Structured Data --><br \/>\n<!-- ========================================= --><br \/>\n<br \/>\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Engineering-grade guide to custom printed corrugated shipping boxes for Canada: ECT ratings, flute selection, ISTA testing, freight derating, and 2026 cost benchmarks.<\/p>\n","protected":false},"author":21,"featured_media":4168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-4169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-packaging"],"_links":{"self":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts\/4169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/comments?post=4169"}],"version-history":[{"count":0,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts\/4169\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/media\/4168"}],"wp:attachment":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/media?parent=4169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/categories?post=4169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/tags?post=4169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}