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Example code of web3e/crypto-gateway-php

Informations about the package crypto-gateway-php

Web3e

web3e/crypto-gateway-php

PHP SDK for the Web3e crypto payment gateway. Zero runtime dependencies (just ext-curl + ext-hash), PHP 7.4+, so it drops into any host — including plugins that vendor it into a zip.

It does two things:

  1. Signs requests to the public REST v1 API (v2 signing scheme: HMAC-SHA256 over METHOD\nPATH\nQUERY\nTIMESTAMP\nNONCE\nSHA256(body), single-use nonce, SM-Idempotency-Key on POST).
  2. Verifies inbound webhooks (SM-Webhook-Signature: v1,t=…,s1=…, canonical v1.{id}.{ts}.{body}, ±300s window, constant-time, rotation-aware).

Install

If the web3e vendor is already taken on Packagist, we publish as web3e-cc/crypto-gateway-php.

Accept a payment (hosted checkout)

Verify a webhook (IPN)

Wire vocabulary

Fields are camelCase in both directions (orderId, orderAmount, checkoutUrl, payAddress, merchantOrderId). Headers use the platform's universal SM- prefix — SM-Api-Key, SM-Timestamp, SM-Nonce, SM-Signature, SM-Idempotency-Key outbound; SM-Webhook-Id, SM-Webhook-Signature inbound. There is no snake_case or X--prefixed fallback left on the server.

Test

License

MIT — see LICENSE.

All versions of crypto-gateway-php with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4
ext-curl Version *
ext-hash Version *
ext-json Version *
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