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Add merchant headless checkout SDK support for 0.5.0 - #6
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jamesw383
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November 6, 2026 20:26
jamesw383
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Nov 6, 2026
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Adds server-side headless checkout methods so merchants can display MakePay payment instructions on their own website: getPaymentOptions, createPaymentQuote, createPaymentInstructions, getPaymentSession, and cancelPaymentSession.
Quotes carry a session ID and quote version; funding and cancellation mutations require stable idempotency keys. Typed responses distinguish preparing requests from ready payment instructions, retain exact decimal amounts, identify the network/token/memo, and expose funding deadlines and payment progress. Existing transport, OAuth/DPoP, webhook, iframe-origin, and packaging protections are preserved.
Prepares 0.5.0 with changelog and integration guidance. Validated locally with build, runtime and type tests, exact package allowlist/secret inspection, and a clean production dependency audit. The matching merchant API is being released through CHASH-HOSTING/makeswap#1255; publish the immutable candidate only once that API is live and verified.