Libraries tagged by page header

The [Invoicetronic API][2] is a RESTful service that allows you to send and receive invoices through the Italian [Servizio di Interscambio (SDI)][1], or Interchange Service. The API is designed to be simple and easy to use, abstracting away SDI complexity while providing complete control over the invoice send/receive process. It provides advanced features as encryption at rest, multi-language pre-flight invoice validation, multiple upload formats, webhooks, event logging, client SDKs, and CLI tools. For more information, see [Invoicetronic website][2] ## Before you start For the full integration guide, tutorials, SDKs and quickstarts, see the **[Documentation](https://invoicetronic.com/en/docs/)**. A few cross-cutting topics worth knowing before integrating: - **[Prerequisites](https://invoicetronic.com/en/docs/prerequisites/)** — what you need to start in Sandbox and what's required to move to production. - **[API Keys](https://invoicetronic.com/en/docs/apikeys/)** — how `ik_live_` and `ik_test_` keys select the environment. - **[Sandbox](https://invoicetronic.com/en/docs/sandbox/)** — free test environment that mirrors the live workflow, with no credits consumed. - **[Rate Limiting](https://invoicetronic.com/en/docs/ratelimiting/)** — per-second, per-minute and per-day limits; how to handle `429 Too Many Requests`. - **[Pagination](https://invoicetronic.com/en/docs/pagination/)** — `page` and `page_size` parameters and the `Invoicetronic-Total-Count` response header. - **[CORS](https://invoicetronic.com/en/docs/cors/)** — calling the API from the browser; allowed origins are configured per key. - **[Webhooks](https://invoicetronic.com/en/docs/webhooks/)** — real-time event notifications with HMAC-SHA256 signature validation. - **[Localization](https://invoicetronic.com/en/docs/accept-language/)** — use the `Accept-Language` header to receive error messages in Italian, English or German. [1]: https://www.fatturapa.gov.it/it/sistemainterscambio/cose-il-sdi/ [2]: https://invoicetronic.com/

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[1MSG.IO](https://1msg.io/) is the perfect WhatsApp management tool for your business. With us you get full access to the official Whatsapp API/webhooks. Every API request must contain an Authorize HTTP header with a token. This is your channel token, which can be found in your channel project on your profile page. Please do not give the token to anyone or post it publicly. The authorization token must be added to each request in the GET parameter 'token' and always passed to query string (?token={your_token}). Parameters in GET queries pass query string. Parameters in POST requests — through the JSON-encoded request body. All 'send' methods (except /sendTemplate) will only work when the dialog session with the user is open. Some of our solutions simplify and avoid such limitations, but we urge you to pay more attention to this detail

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Provides per-namespace and per-page header and footer inclusion

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Full-page HTML landing page for Flarum — no header or footer

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This Laravel package provides a full-page response cache middleware for stateless public GET pages. It caches 200 responses keyed by a version token, locale, and theme cookie, skips authenticated requests, exposes an X-Page-Cache HIT/MISS header, and offers a static flush() helper to invalidate every cached page at once.

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Laravel PDF generation package with Crystal Report style Page Header, Page Body and Page Footer support (powered by mPDF).

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Provides caching of HTML pages in Laravel responses.

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PHP port of charmbracelet/fang — opinionated CLI presentation helpers: StatusLine (✓/✗/⚠/ℹ), Banner, Section header, Stage step, HelpText page, and 6 stock themes (ansi/plain/charm/dracula/nord/catppuccin).

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Build a fully custom headless storefront - your own web app, mobile app, or POS - against a single OE Commerce store. Every endpoint below is namespaced under `/api/v1/store/...`. Building admin/back-office tooling instead? See [/docs/admin](/docs/admin). New here? [/guides/store](/guides/store) walks through getting a key, the anonymous cart session, and calling your first endpoints step by step - this page is the field-level reference to come back to afterward. ## Getting Started 1. Click the **Authorize** button at the top of this page. 2. Provide credentials: - **X-Commerce-Key** (always required) - your store's Store Access Key from Backoffice > Settings > Application APIs. `pk_store_...` (publishable) is safe for browser/mobile code; `sk_store_...` (secret) is server-to-server only and is rejected outright if a browser Origin header is present. - **Bearer** (only for endpoints acting on a specific customer - Account, Orders, Wishlists, etc.) - the token from **Auth > register** or **Auth > login**. Once authorized, you can explore and test all available endpoints directly from this interface. ## Anonymous Carts A guest cart is tracked by an `X-Session-Ref` header, not a cookie - the server generates one on your first request and echoes it back on every response after. Keep sending back whatever value you last received. Logging in carries that same cart forward onto the customer's account automatically, with no separate merge step. ## Errors Failures use RFC 9457 Problem Details (`application/problem+json`) with a stable `code` field for programmatic handling, e.g. `store_key_invalid`, `store_key_revoked`, `store_key_scope_denied`, `rate_limited`. A rejected *business* action (e.g. adding fewer than a product's minimum order quantity to the cart) instead comes back as HTTP 200 with `"success": false` and a human-readable `message` - always check `success` in the body, not just the HTTP status code. ## Rate Limits Requests are limited per Store Access Key (200/minute). The credential-stuffing surface (register/login/forgot-password/reset-password) is limited more tightly per caller IP (10 per 5 minutes). A 429 response includes a `Retry-After` header.

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Catalog search domain compatibility for MageObsidian: the search results page, reusing the catalog product grid, toolbar and card on native CatalogSearch blocks, plus the header search box with accessible autocomplete.

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Utility for easycorp/easyadmin-bundle v5.x: Dynamic Paginator Page Size, Dynamic index fields, Relative time, Sticky header, Sticky footer

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Generates and serves a Markdown version of any WordPress page (via a .md URL or the Accept: text/markdown header), with caching and automatic cache invalidation.

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Magento module, Type of Page add to Header

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Build structured pages with consistent layouts, headers, footers, and slots for Laravel applications

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Symfony StiwlPageBundle PHP >=5.3.3

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