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finaegis/payment-sdk
====================

Zelta Payment SDK — transparent x402 and MPP payment handling for PHP

v1.0.2(1mo ago)02[1 issues](https://github.com/FinAegis/payment-sdk/issues)1Apache-2.0PHPPHP ^8.4

Since Apr 19Pushed 1mo agoCompare

[ Source](https://github.com/FinAegis/payment-sdk)[ Packagist](https://packagist.org/packages/finaegis/payment-sdk)[ Docs](https://finaegis.org)[ RSS](/packages/finaegis-payment-sdk/feed)WikiDiscussions main Synced 1w ago

READMEChangelogDependencies (3)Versions (3)Used By (1)

Zelta Payment SDK
=================

[](#zelta-payment-sdk)

Transparent x402 and MPP payment handling for PHP applications.

> **Mirror repo notice** — if you're viewing this at `github.com/FinAegis/payment-sdk`, that repo is a read-only split of `packages/zelta-sdk/` from the [FinAegis core banking monorepo](https://github.com/FinAegis/core-banking-prototype-laravel). Please file issues and PRs against the monorepo.

Installation
------------

[](#installation)

```
composer require finaegis/payment-sdk
```

Quick Start
-----------

[](#quick-start)

```
use Zelta\ZeltaClient;
use Zelta\DataObjects\PaymentConfig;
use Zelta\Handlers\X402PaymentHandler;

// Create a signer that implements Zelta\Contracts\SignerInterface
$signer = new YourSigner();

$client = new ZeltaClient(
    config: new PaymentConfig(
        baseUrl: 'https://api.zelta.app',
        apiKey: 'zk_live_xxx',
        autoPay: true,
    ),
    payment: new X402PaymentHandler($signer),
);

// Requests that return 402 are automatically paid and retried
$result = $client->get('/v1/premium/data');

echo $result->statusCode; // 200
echo $result->paid;       // true
```

Documentation
-------------

[](#documentation)

Full documentation is available at [finaegis.org/developers](https://finaegis.org/developers).

License
-------

[](#license)

Apache-2.0 -- see [LICENSE](LICENSE) for details.

###  Health Score

40

—

FairBetter than 86% of packages

Maintenance90

Actively maintained with recent releases

Popularity2

Limited adoption so far

Community8

Small or concentrated contributor base

Maturity52

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~2 days

Total

2

Last Release

49d ago

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/5859318?v=4)[Marijus Plančiūnas](/maintainers/YOzaz)[@YOzaz](https://github.com/YOzaz)

---

Top Contributors

[![YOzaz](https://avatars.githubusercontent.com/u/5859318?v=4)](https://github.com/YOzaz "YOzaz (7 commits)")

###  Code Quality

TestsPest

Static AnalysisPHPStan

Type Coverage Yes

### Embed Badge

![Health badge](/badges/finaegis-payment-sdk/health.svg)

```
[![Health](https://phpackages.com/badges/finaegis-payment-sdk/health.svg)](https://phpackages.com/packages/finaegis-payment-sdk)
```

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