Libraries tagged by rates API

A PHP SDK to communicate with the open exchange rates APIs

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Simple PHP wrapper for Avalara's Tax Rates API

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A modern, strongly-typed PHP client for the easybill REST API with built-in rate limiting.

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Modern API Core for TYPO3 - Modern, performance-driven TYPO3 API framework with attribute-based routing and endpoint metadata, multi-API/multi-version setup, tenant-aware request context, OpenAPI 3 generation with Swagger UI and CLI export, MCP/Model Context Protocol tool exposure over JSON-RPC and Streamable HTTP, token/user/backend authentication (opaque bearer + JWT + FE/BE contexts), scope enforcement, auto-CRUD resource registration via TCA/DataHandler, built-in response caching, rate limiting, structured request/response logging with redaction, backend dashboards for APIs/tokens/endpoints/rate-limits/logs, and optional legacy sg_rest compatibility.

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Official PHP SDK for Tillio API v2 - typed DTOs, both connection modes (direct API key and marketplace proxy), built-in retry and rate limiting. Documentation in Polish.

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PHP Canada Post API

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Create REST APIs with just a few lines of config. This PSR7 compliant PHP library uses Zend\Stragility Middleware at its core.

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API keys for Polaris for PHP: keys owned by users and organizations with a permission subset, rate limit, expiry and rotation, accepted as a principal on every Polaris route

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A library to parse currency rates from duckduckgo.com

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Perimeter RateLimitBundle

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Developer API key management (prefix-routed keys, rotation with overlap, per-key rate limits, async usage tracking) for Laravel. Works standalone and auto-wires into mrsuner/laravel-api-boilerplate.

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PHP UPS API

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PHP rate limiting library with Token Bucket and Leaky Bucket Algorithms, based on palepurple/rate-limit, grandson to touhonoob/rate-limit, and jeroenvisser101/LeakyBucket

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PHP library for Exchange rates API of Korea Customs Service

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Official PHP wrapper for MetalpriceAPI.com - Metal price API and foreign exchange rate API

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