Workflow: model a workflow in n8n for Manual Http Update Webhook
Integrations: httpRequest, manualTrigger, set

{"meta": {"instanceId": "c911aed9995230b93fd0d9bc41c258d697c2fe97a3bab8c02baf85963eeda618", "templateCredsSetupCompleted": true}, "nodes": [{"id": "83c6d7e3-ae2e-4576-8bc6-1e1a7b553fca", "name": "Settings", "type": "n8n-nodes-base.set", "position": [260, 0], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "080b234c-a753-409d-9d2d-3322678a01f2", "name": "woocommerce url", "type": "string", "value": "https://mydom.com/"}]}}, "typeVersion": 3.4}, {"id": "7018ae65-bb9d-4bac-8746-01193cb0e523", "name": "When clicking \u2018Test workflow\u2019", "type": "n8n-nodes-base.manualTrigger", "position": [0, 0], "parameters": {}, "typeVersion": 1}, {"id": "223ed34b-3e26-406c-a5a5-34f8408e3fe6", "name": "HTTP Request - Update Rank Math Meta", "type": "n8n-nodes-base.httpRequest", "position": [500, 0], "parameters": {"url": "={{ $('Settings').item.json[\"woocommerce url\"] }}wp-json/rank-math-api/v1/update-meta", "method": "POST", "options": {}, "sendBody": true, "authentication": "predefinedCredentialType", "bodyParameters": {"parameters": [{"name": "post_id", "value": "246"}, {"name": "rank_math_title", "value": "Demo SEO Title"}, {"name": "rank_math_description", "value": "Demo SEO Description"}, {"name": "rank_math_canonical_url", "value": "https://example.com/demo-product"}]}, "nodeCredentialType": "wordpressApi"}, "credentials": {"wordpressApi": {"id": "6rPlJdCaIXaVciGM", "name": "Wordpress account"}, "wooCommerceApi": {"id": "klGFZkgHrRfC8BVg", "name": "WooCommerce account"}}, "retryOnFail": true, "typeVersion": 4.2}], "pinData": {}, "connections": {"Settings": {"main": [[{"node": "HTTP Request - Update Rank Math Meta", "type": "main", "index": 0}]]}, "When clicking \u2018Test workflow\u2019": {"main": [[{"node": "Settings", "type": "main", "index": 0}]]}}}