I'm not sure who makes Wallet.js, but I don't think it's NMI because they make Collect.js. In any case, these are sites that use it:

Also, 2AP.

How I scraped these:

Google Search for "If you do not have a default processor set, you must include the processor_id property in the request body or the transaction will fail."
(better than Brave or DuckDuckGo for this use case)

var all = $$('cite').reduce(function (all, $el) {
  all[$el.firstChild.data] = true;
  return all;
}, {});
var sites = Object.keys(all).sort();
console.log('- ' + sites.join('/docs/api/\n- ') + '/docs/api');

By AJ ONeal

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