https://wpwebhooks.org/blog/ Engineering notes on WordPress webhooks: architecture, reliability, delivery, retries, and integrations. New post every week. en-us Thu, 10 Sep 2026 00:00:00 GMT https://wpwebhooks.org/blog/wordpress-pipedrive-integration/ https://wpwebhooks.org/blog/wordpress-pipedrive-integration/ Thu, 10 Sep 2026 00:00:00 GMT Mateusz Skorupa Integrations A WordPress Pipedrive integration on the REST API: the x-api-token header, search-then-create for persons and leads, and the token budget behind every call. https://wpwebhooks.org/blog/n8n-wordpress-trigger/ https://wpwebhooks.org/blog/n8n-wordpress-trigger/ Tue, 08 Sep 2026 00:00:00 GMT Mateusz Skorupa WordPress automation There is no n8n WordPress trigger node, so most workflows poll. Where that works, the events it is structurally blind to, and the WP-Cron objection answered. https://wpwebhooks.org/blog/wp-fusion-alternative/ https://wpwebhooks.org/blog/wp-fusion-alternative/ Mon, 07 Sep 2026 00:00:00 GMT Mateusz Skorupa WordPress automation An honest WP Fusion alternative guide: what user sync and tag gating actually do, what the tiers cost, and when an outgoing webhook is the better tool. https://wpwebhooks.org/blog/wordpress-zoho-crm-integration/ https://wpwebhooks.org/blog/wordpress-zoho-crm-integration/ Sat, 05 Sep 2026 00:00:00 GMT Mateusz Skorupa Integrations A WordPress Zoho CRM integration on the v8 API: Self Client OAuth, the refresh-token cap, per-datacentre hosts, and the upsert that never duplicates a lead. https://wpwebhooks.org/blog/wordpress-salesforce-integration/ https://wpwebhooks.org/blog/wordpress-salesforce-integration/ Thu, 03 Sep 2026 00:00:00 GMT Mateusz Skorupa Integrations A WordPress Salesforce integration built directly on the REST API: the client credentials flow, upserting by external ID, and the org-wide API limits. https://wpwebhooks.org/blog/gravity-forms-hubspot-integration/ https://wpwebhooks.org/blog/gravity-forms-hubspot-integration/ Tue, 01 Sep 2026 00:00:00 GMT Mateusz Skorupa Integrations Gravity Forms HubSpot integration in code: the gform_after_submission signature, private app tokens, contact properties, and the real rate limits. https://wpwebhooks.org/blog/gravity-forms-salesforce-integration/ https://wpwebhooks.org/blog/gravity-forms-salesforce-integration/ Sun, 30 Aug 2026 00:00:00 GMT Mateusz Skorupa Integrations Gravity Forms Salesforce integration explained: what the official Elite add-on does, and how gform_after_submission sends leads on any licence. https://wpwebhooks.org/blog/uncanny-automator-alternative/ https://wpwebhooks.org/blog/uncanny-automator-alternative/ Fri, 28 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress automation An honest Uncanny Automator alternative guide: what app credits actually meter, where recipes win, and when a plain outgoing webhook is the cheaper path. https://wpwebhooks.org/blog/wordpress-form-to-google-sheets/ https://wpwebhooks.org/blog/wordpress-form-to-google-sheets/ Wed, 26 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Send WordPress form entries to Google Sheets with the API: service account auth, the sharing step that 403s, valueInputOption, and the 60 writes per minute cap. https://wpwebhooks.org/blog/ottokit-suretriggers-alternative/ https://wpwebhooks.org/blog/ottokit-suretriggers-alternative/ Sun, 23 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress automation An OttoKit and SureTriggers alternative guide: what a monthly task allowance meters, and when self-hosting the delivery is the better fit. https://wpwebhooks.org/blog/contact-form-7-to-airtable/ https://wpwebhooks.org/blog/contact-form-7-to-airtable/ Thu, 20 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Send Contact Form 7 entries to Airtable with the REST API: personal access token auth, field mapping, typecast, the 10-record cap and 5 req/s limit. https://wpwebhooks.org/blog/contact-form-7-to-notion/ https://wpwebhooks.org/blog/contact-form-7-to-notion/ Tue, 18 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Send Contact Form 7 entries to Notion: create a page per submission with typed properties, the Notion-Version header, rate limits and the 2,000-char cap. https://wpwebhooks.org/blog/wordpress-form-to-slack/ https://wpwebhooks.org/blog/wordpress-form-to-slack/ Sat, 15 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Send WordPress form entries to Slack: completion hooks for CF7, Gravity Forms and WPForms, Block Kit payloads, the 1 msg/s limit and why to queue it. https://wpwebhooks.org/blog/stripe-webhook-wordpress/ https://wpwebhooks.org/blog/stripe-webhook-wordpress/ Thu, 13 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations WordPress Stripe webhook guide: verify the Stripe-Signature header against the raw body, survive canonical redirects, and handle duplicate, out-of-order events. https://wpwebhooks.org/blog/post-submitbox-misc-actions/ https://wpwebhooks.org/blog/post-submitbox-misc-actions/ Mon, 10 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress internals post_submitbox_misc_actions documentation: the exact signature, why the hook never fires in the block editor, and the PluginPostStatusInfo equivalent that does. https://wpwebhooks.org/blog/woocommerce-sms-order-notification-twilio/ https://wpwebhooks.org/blog/woocommerce-sms-order-notification-twilio/ Fri, 07 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Build WooCommerce SMS order notifications on Twilio: the right status hook, E.164 phone normalisation, per-segment cost maths, and signed delivery callbacks. https://wpwebhooks.org/blog/wpforms-webhook/ https://wpwebhooks.org/blog/wpforms-webhook/ Thu, 06 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations WPForms webhook setup: the Elite-only Webhooks addon, and the free wpforms_process_complete hook for when you need your own payload and headers. https://wpwebhooks.org/blog/twilio-verify-wordpress-2fa/ https://wpwebhooks.org/blog/twilio-verify-wordpress-2fa/ Wed, 05 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Add Twilio Verify 2FA to WordPress: the two API calls, the REST routes that wrap them, and the abuse controls Twilio will not handle for you. https://wpwebhooks.org/blog/disable-wp-cron-warnings/ https://wpwebhooks.org/blog/disable-wp-cron-warnings/ Mon, 03 Aug 2026 00:00:00 GMT Mateusz Skorupa WordPress internals The DISABLE_WP_CRON constant is set to true, WP-Cron spawning is disabled, and Maximum simultaneous queues already in progress — what each warning means. https://wpwebhooks.org/blog/woocommerce-checkout-order-created/ https://wpwebhooks.org/blog/woocommerce-checkout-order-created/ Fri, 31 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress internals woocommerce_checkout_order_created documentation: the signature, where it sits in the checkout hook sequence, and why it never fires on the blocks checkout. https://wpwebhooks.org/blog/llm-api-pricing-cost-per-call/ https://wpwebhooks.org/blog/llm-api-pricing-cost-per-call/ Wed, 29 Jul 2026 00:00:00 GMT Mateusz Skorupa AI integration LLM API pricing compared across OpenAI, Google, Anthropic and Chinese models like Kimi K3 — with the token math for what one real AI call costs. https://wpwebhooks.org/blog/action-scheduler-run-queue-hook/ https://wpwebhooks.org/blog/action-scheduler-run-queue-hook/ Sun, 26 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress internals action_scheduler_run_queue is the WP-Cron hook behind every Action Scheduler queue pass: how it is registered, its every_minute schedule, and how to trigger it. https://wpwebhooks.org/blog/elementor-forms-webhook/ https://wpwebhooks.org/blog/elementor-forms-webhook/ Fri, 24 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Elementor forms webhook setup, two ways: the built-in Webhook action in Elementor Pro, and the elementor_pro/forms/new_record hook when you need real control. https://wpwebhooks.org/blog/action-scheduler-database-tables/ https://wpwebhooks.org/blog/action-scheduler-database-tables/ Thu, 23 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress internals wp_actionscheduler_actions database schema — every column in the actions, claims, groups and logs tables, their indexes, and how the queue runner uses them. https://wpwebhooks.org/blog/wp-engine-cron-jobs/ https://wpwebhooks.org/blog/wp-engine-cron-jobs/ Mon, 20 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress internals WP Engine Alternate Cron explained: what it changes, how it curls wp-cron.php every minute, and when you still need a real system cron job. https://wpwebhooks.org/blog/wordpress-job-queue/ https://wpwebhooks.org/blog/wordpress-job-queue/ Sun, 19 Jul 2026 00:00:00 GMT Mateusz Skorupa Architecture How a WordPress job queue really works: the queue table, safe claiming, retry limits, and when Action Scheduler beats writing your own worker. https://wpwebhooks.org/blog/gemini-json-mode-truncated-response/ https://wpwebhooks.org/blog/gemini-json-mode-truncated-response/ Fri, 17 Jul 2026 00:00:00 GMT Mateusz Skorupa AI integration A real bug post-mortem: Gemini’s JSON mode returned our agent’s envelope without its closing brace — twice, deterministically — and the conservative repair that recovers it without ever inventing content. https://wpwebhooks.org/blog/ivyforms-after-submission-webhook/ https://wpwebhooks.org/blog/ivyforms-after-submission-webhook/ Fri, 17 Jul 2026 00:00:00 GMT Mateusz Skorupa Architecture ivyforms/form/after_submission documentation: hook parameters, numeric field IDs, a wp_remote_post code example, and reliable async webhook dispatch. https://wpwebhooks.org/blog/ai-agent-capability-drift/ https://wpwebhooks.org/blog/ai-agent-capability-drift/ Tue, 14 Jul 2026 00:00:00 GMT Mateusz Skorupa AI integration A real bug post-mortem: a class_exists check made our agent’s prompt advertise tools the executor silently dropped — and the three fixes that shipped in 2.2.0. https://wpwebhooks.org/blog/as-schedule-single-action-reference/ https://wpwebhooks.org/blog/as-schedule-single-action-reference/ Fri, 10 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress internals as_schedule_single_action documentation: full PHP signature, the timestamp and $unique parameters, return value, and code examples for delayed jobs. https://wpwebhooks.org/blog/wordpress-zapier-webhook/ https://wpwebhooks.org/blog/wordpress-zapier-webhook/ Tue, 07 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Connect WordPress to Zapier: send any post, form, or WooCommerce event to a Zap via webhook — Catch Hook setup, payload format, and a self-hosted alternative. https://wpwebhooks.org/blog/as-schedule-recurring-action-reference/ https://wpwebhooks.org/blog/as-schedule-recurring-action-reference/ Sat, 04 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress internals as_schedule_recurring_action documentation: PHP signature, first-run timestamp, interval seconds, group and $unique parameters, with recurring code examples. https://wpwebhooks.org/blog/wordpress-abilities-api-ai-agents/ https://wpwebhooks.org/blog/wordpress-abilities-api-ai-agents/ Thu, 02 Jul 2026 00:00:00 GMT Mateusz Skorupa AI integration What the WordPress Abilities API is, how wp_register_ability() works, and how to expose plugin features to AI agents and MCP clients safely. https://wpwebhooks.org/blog/wordpress-ai-client-wp-ai-client-prompt/ https://wpwebhooks.org/blog/wordpress-ai-client-wp-ai-client-prompt/ Mon, 29 Jun 2026 00:00:00 GMT Mateusz Skorupa AI integration How the WordPress 7.0 AI Client works: provider Connectors, wp_ai_client_prompt(), model fallback chains, and when you still need your own API key. https://wpwebhooks.org/blog/wordpress-ai-agent-plugin-architecture/ https://wpwebhooks.org/blog/wordpress-ai-agent-plugin-architecture/ Fri, 26 Jun 2026 00:00:00 GMT Mateusz Skorupa AI integration Inside an in-admin AI agent for WordPress: plan-first JSON envelopes, typed ability steps, confirmation gates, undo stacks, and trace logging. https://wpwebhooks.org/blog/woocommerce-action-scheduler-mysql-deadlocks/ https://wpwebhooks.org/blog/woocommerce-action-scheduler-mysql-deadlocks/ Thu, 25 Jun 2026 00:00:00 GMT Mateusz Skorupa Architecture ActionScheduler_DBStore::claim_actions throws MySQL deadlocks under concurrent WooCommerce queue runners — why it happens and the exact fix. https://wpwebhooks.org/blog/action-scheduler-prevent-duplicate-actions/ https://wpwebhooks.org/blog/action-scheduler-prevent-duplicate-actions/ Mon, 22 Jun 2026 00:00:00 GMT Mateusz Skorupa WordPress internals as_has_scheduled_action() checks whether a matching action is already pending — signature, the hook, args and group parameters, return value, and dedup gotchas. https://wpwebhooks.org/blog/webhook-retry-policy-exponential-backoff/ https://wpwebhooks.org/blog/webhook-retry-policy-exponential-backoff/ Fri, 19 Jun 2026 00:00:00 GMT Mateusz Skorupa Architecture Design a webhook retry policy: exponential backoff timing, what to retry, max attempts, dead-lettering, and the database schema to track deliveries. https://wpwebhooks.org/blog/gravity-forms-hooks-reference/ https://wpwebhooks.org/blog/gravity-forms-hooks-reference/ Thu, 18 Jun 2026 00:00:00 GMT Mateusz Skorupa Gravity Forms A developer reference to the most useful Gravity Forms hooks: submission, validation, field, entry, and notification filters — with examples. https://wpwebhooks.org/blog/wp-webhooks-alternative/ https://wpwebhooks.org/blog/wp-webhooks-alternative/ Tue, 16 Jun 2026 00:00:00 GMT Mateusz Skorupa Comparisons A WP Webhooks Pro alternative, compared honestly: free tiers, pricing, delivery reliability, retries and logging — what each plugin actually does. https://wpwebhooks.org/blog/wordpress-hubspot-integration-methods/ https://wpwebhooks.org/blog/wordpress-hubspot-integration-methods/ Fri, 12 Jun 2026 00:00:00 GMT Mateusz Skorupa Comparisons The HubSpot WordPress plugin, Zapier and a direct webhook compared: what each one actually syncs, what it costs, and where the official plugin stops. https://wpwebhooks.org/blog/wordpress-external-cron-services/ https://wpwebhooks.org/blog/wordpress-external-cron-services/ Fri, 05 Jun 2026 00:00:00 GMT Mateusz Skorupa WordPress internals Fix unreliable WP-Cron with a free external cron service. Covers cron-job.org, EasyCron, UptimeRobot setup, DISABLE_WP_CRON config, and the zero-config Webhook Actions option. https://wpwebhooks.org/blog/gravity-forms-gform-after-update-entry-webhook/ https://wpwebhooks.org/blog/gravity-forms-gform-after-update-entry-webhook/ Tue, 02 Jun 2026 00:00:00 GMT Mateusz Skorupa Gravity Forms How the gform_after_update_entry hook fires on Gravity Forms entry edits — its parameters, original vs updated values, and sending a webhook on update. https://wpwebhooks.org/blog/wordpress-wpcf7-mail-sent-hook/ https://wpwebhooks.org/blog/wordpress-wpcf7-mail-sent-hook/ Sat, 30 May 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations How wpcf7_mail_sent fires, what get_posted_data() returns, and the reliable way to send Contact Form 7 submissions to any webhook endpoint. https://wpwebhooks.org/blog/action-scheduler-api-functions/ https://wpwebhooks.org/blog/action-scheduler-api-functions/ Sun, 24 May 2026 00:00:00 GMT Mateusz Skorupa WordPress internals as_enqueue_async_action documentation: PHP signature, the $unique parameter, plus as_schedule_single_action and cancel functions with code examples. https://wpwebhooks.org/blog/woocommerce-webhooks-action-scheduler/ https://wpwebhooks.org/blog/woocommerce-webhooks-action-scheduler/ Sun, 24 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Send WooCommerce order events as reliable webhooks with Action Scheduler — async queue, retries with backoff, conditional dispatch, and one-click replay. https://wpwebhooks.org/blog/wordpress-async-background-processing/ https://wpwebhooks.org/blog/wordpress-async-background-processing/ Sun, 24 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Process WordPress background jobs asynchronously — non-blocking dispatch, an Action Scheduler queue, retries with backoff, and reliable webhook delivery. https://wpwebhooks.org/blog/action-scheduler-concurrent-batches-filter/ https://wpwebhooks.org/blog/action-scheduler-concurrent-batches-filter/ Sun, 17 May 2026 00:00:00 GMT Mateusz Skorupa Architecture action_scheduler_queue_runner_concurrent_batches filter docs: official parameters, batch-size tuning, and code examples for Action Scheduler. https://wpwebhooks.org/blog/gravity-forms-to-n8n-webhook/ https://wpwebhooks.org/blog/gravity-forms-to-n8n-webhook/ Sun, 17 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Forward Gravity Forms entries to n8n with a reliable, retry-capable webhook — payload mapping, HMAC signing, error handling, and end-to-end test recipe. https://wpwebhooks.org/blog/wp-cron-developer-reference/ https://wpwebhooks.org/blog/wp-cron-developer-reference/ Sun, 17 May 2026 00:00:00 GMT Mateusz Skorupa Architecture The WP-Cron documentation WordPress never wrote: wp_schedule_event, wp_doing_cron, spawn_cron, DISABLE_WP_CRON, and every WP-CLI cron command. https://wpwebhooks.org/blog/action-scheduler-wordpress/ https://wpwebhooks.org/blog/action-scheduler-wordpress/ Thu, 07 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Action Scheduler WordPress documentation: queue runner, retry logic, concurrency tuning, and webhook delivery — official function reference. https://wpwebhooks.org/blog/contact-form-7-webhook/ https://wpwebhooks.org/blog/contact-form-7-webhook/ Thu, 07 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Contact Form 7 webhook setup: the wpcf7_mail_sent hook, field mapping, and queued delivery with retries, so every submission reaches its endpoint. https://wpwebhooks.org/blog/gravity-forms-gform-after-submission-webhook/ https://wpwebhooks.org/blog/gravity-forms-gform-after-submission-webhook/ Thu, 07 May 2026 00:00:00 GMT Mateusz Skorupa Architecture gform_after_submission documentation: the exact hook signature, the argument count that breaks it, reading entry field IDs, and dispatching without blocking. https://wpwebhooks.org/blog/wordpress-webhook-delivery-engineering/ https://wpwebhooks.org/blog/wordpress-webhook-delivery-engineering/ Wed, 22 Apr 2026 00:00:00 GMT Mateusz Skorupa Architecture How WordPress webhook plugins discover hooks, register listeners, and build delivery payloads. Engineering internals with real code. https://wpwebhooks.org/blog/cron-job-for-wordpress/ https://wpwebhooks.org/blog/cron-job-for-wordpress/ Mon, 30 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture WordPress cron job not running? WP-Cron only fires on page load. Replace it with a real system cron in two lines — full setup with WP-CLI and Action Scheduler. https://wpwebhooks.org/blog/create-manage-wordpress-webhooks-rest-api/ https://wpwebhooks.org/blog/create-manage-wordpress-webhooks-rest-api/ Thu, 26 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture Learn how to create and manage WordPress webhooks via REST API. Control endpoints, enable/disable integrations, and automate setups without code deployments. https://wpwebhooks.org/blog/wordpress-webhooks-rest-api/ https://wpwebhooks.org/blog/wordpress-webhooks-rest-api/ Thu, 19 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture Retry failed webhooks, replay any event, and monitor queue health from a REST API — no wp-admin. Full endpoint reference for the WP Webhooks plugin. https://wpwebhooks.org/blog/wordpress-webhook-retry-replay-system/ https://wpwebhooks.org/blog/wordpress-webhook-retry-replay-system/ Mon, 09 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture Learn how to build reliable WordPress webhooks using payload storage, automatic retries for failures, and replay for successful events that need reprocessing. https://wpwebhooks.org/blog/async-webhooks-wordpress-wp-cron-not-enough/ https://wpwebhooks.org/blog/async-webhooks-wordpress-wp-cron-not-enough/ Tue, 03 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture WP-Cron fires on page loads, not on a schedule. Webhooks drop silently under load. Build an async dispatch queue with retry logic — full architecture and code. https://wpwebhooks.org/blog/why-wordpress-webhooks-silently-fail-in-production/ https://wpwebhooks.org/blog/why-wordpress-webhooks-silently-fail-in-production/ Sat, 28 Feb 2026 00:00:00 GMT Mateusz Skorupa Architecture WordPress webhooks work locally but drop events in production. Four root causes — WP-Cron, queues, retry logic, observability — and the production fix. https://wpwebhooks.org/blog/async-webhooks-wordpress/ https://wpwebhooks.org/blog/async-webhooks-wordpress/ Thu, 19 Feb 2026 00:00:00 GMT Mateusz Skorupa Architecture How a WordPress async request really works: non-blocking dispatch, queue-based delivery, exponential backoff, failure handling and logging in WooCommerce.