docs(payments): add merchant logo specification for Merchant API#44
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riveign wants to merge 6 commits into
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docs(payments): add merchant logo specification for Merchant API#44riveign wants to merge 6 commits into
riveign wants to merge 6 commits into
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New page at payments/merchant-api/logo-specification.mdx documenting dimensions, aspect ratio, formats, file size, and the 400 error codes returned on server-side validation of the iconUrl field on POST/PATCH /v1/merchants. Adds a Merchant API group to the Payments tab in both versions of docs.json (2026-02-18 + 2026-02-19.preview). WCPM-378
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- Remove the validation section and 400 error code table — server-side validation has not shipped yet, so documenting the codes prematurely would mislead partners. - Reframe the page as a guide: add a "Where the logo appears" section covering the wallet payment sheet, confirmation screens, and transaction history surfaces where the logo renders. - Keep the spec table, format guidance, and "why square" rationale. - Replace the dual valid/400 worked example with a single valid create-merchant example plus a note on the CDN import behaviour (logo is imported into Cloudflare Images; updating the source URL does not re-render until PATCH is called). WCPM-378
…copy
- Add two reference screenshots under "Where the logo appears":
- images/payments/merchant-logo/wallet-payment-sheet.png — wallet
payment sheet with merchant logo as the visual anchor.
- images/payments/merchant-logo/buyer-checkout.png — WalletConnect
Pay buyer checkout page with the logo above the "Pay X to
<Merchant>" headline.
- Split the section into "Wallet payment sheet" and "Buyer checkout"
subsections, each with an italic "Reference image" caption.
- Drop the inaccurate "Transaction history" bullet — the logo is not
currently surfaced in wallet transaction history.
- Drop the Cloudflare Images implementation detail from the intro and
the worked-example closing paragraph. Keep the operationally-useful
point that PATCH is required to change the rendered logo.
WCPM-378
…, constrain image sizes - Replace wallet screenshot with the latest export. - Rename "Wallet payment sheet" → "Wallet payment screen" (heading, body copy, alt text) and the corresponding image file to match. - Add max-width to both reference images so they render at sensible sizes (wallet 320 px, buyer checkout 640 px) instead of full content-width. WCPM-378
Commit the updated wallet-payment-screen.png (was missed in the prior "refresh" commit — file on disk was correct but not staged) and tighten the wallet image rendering: maxWidth 320→240px with margin: 0 auto so the portrait screenshot is smaller and centered on the page. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
Adds a new guide documenting the merchant logo specification for the WalletConnect Pay Merchant API. Partners using
POST /v1/merchantsandPATCH /v1/merchants/{merchantId}now have a documented spec for theiconUrlfield — recommended dimensions, aspect ratio, accepted formats, and file size — alongside context on where the logo actually renders in the buyer experience.payments/merchant-api/logo-specification.mdx2026-02-18(stable) and2026-02-19.previewversions ofdocs.jsonLinear: WCPM-378
Scope
Scope limited to Merchant API docs. Point-of-Sale SDK pages (Flutter, Kotlin, point-of-sale, wallet-implementation) are untouched — the
logoIconfield there is dApp/wallet metadata for WalletConnect pairing, which is a different concept from the WCP merchant logo stored via the Merchant API.Validation rules are intentionally not documented yet. Server-side validation of dimensions/format is not shipping in this iteration. The page describes the recommended specification only — documenting 400 codes before the server enforces them would mislead partners. A follow-up will add a validation section once the server-side checks land in
pay-merchant-experience.Follow-ups
iconUrlfield description at/api-reference/2026-02-18/post-v1-merchants#body-icon-url-one-of-0does not yet link to this guide. The fix belongs upstream in the MX OpenAPI source (pay-merchant-experience) —api/2026-02-18.jsonin this repo is regenerated byscripts/generate-specs.mjsfrom the upstream services, so any manual edit to the description here would be wiped on the next run. Will be filed as an engineering ticket againstpay-merchant-experienceto update theiconUrlfield description with a reference to/payments/merchant-api/logo-specification.pay-merchant-experience.Verification
mint broken-links→ success, no broken linksmint dev→ new page renders at/payments/merchant-api/logo-specificationwith all sections in the right orderTest plan
/api-reference/2026-02-18/post-v1-merchantsand/api-reference/2026-02-18/patch-v1-merchants-merchantidresolve🤖 Generated with Claude Code