Libraries tagged by USD

A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go

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PHP library to generate 73 types of linear, 2D and postal barcodes as SVG, PNG, HTML or GD images

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Compiled list of United States Driver License validation regex

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PHP SDK / Client for the XRP Ledger

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Laravel package for cryptomus.com

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Delivers current exchange rates for EUR provided by the ECB as PHP objects.

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Framework-agnostic PHP implementation of the x402 payment protocol (HTTP 402 stablecoin settlement).

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A PHP cryptocurrency trading library with support for more than 90 bitcoin/altcoin exchanges

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Laravel bridge for Lepton Agents (Circle Agent Stack + Arc). No hardcoded CLI strings in app code.

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Official PHP SDK for VarxPay Payment Gateway API

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This SDK provides a convenient abstraction of UniPayment's Gateway API and allows developers to focus on payment flow/e-commerce integration rather than on the specific details of client-server interaction using the raw API.

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Laravel adapter for the x402 payment protocol — pay-per-request HTTP APIs with stablecoins.

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P2Flux payment execution client. Your application keeps the subscription lifecycle; this charges when you say a renewal is due.

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A simple encapsulation of Web3 framework in PHP environment.

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PHP SDK / Client for the XRP Ledger

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