Billing Integration Apex

Q: What is a Claude Code skill and how does the Billing Integration Apex skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Billing Integration Apex is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: integrations · Last updated: 2026-05-21

tool:salesforce type:integration

Use when programmatically generating invoices, integrating payment gateways, automating credit notes, or calling Salesforce Billing Apex APIs (blng.InvoiceAPI, blng.TransactionAPI) from custom Apex code. Trigger keywords: billing apex, blng.InvoiceAPI, blng.TransactionAPI, payment gateway adapter, invoice generation apex, credit note apex, programmatic invoice. NOT for admin billing setup, billing rule configuration, billing policy UI, or Invoice Run scheduling.

About this skill (catalog notes)

Billing Integration Apex includes at least one code block. At roughly 2,126 words the SKILL.md is on the longer end of the catalog distribution.

Original author: Pranav Nagrecha
Indexed lastmod: 2026-05-21
Catalog position: General · integrations
Indexed related skills: 10

How Billing Integration Apex fits the catalog

Billing Integration Apex sits in the General category under the integrations sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Use this skill when writing Apex code that calls the Salesforce Billing managed package APIs — blng.InvoiceAPI, blng.TransactionAPI, or the Connect REST API commerce/invoices endpoint — to programmatically generate invoices, drive payment gateway lifecycles, or automate credit note issuance. This skill does NOT cover admin configuration of billing rules, billing treatments, invoice run scheduling, or tax policies.

What this skill does

Billing Integration Apex is a community-contributed Claude Code skill in the integrations sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/billing-integration-apex/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when programmatically generating invoices, integrating payment gateways, automating credit notes, or calling Salesforce Billing Apex APIs (blng.InvoiceAPI, blng.

Who uses this skill

The Billing Integration Apex Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/billing-integration-apex
curl -L https://claudskills.com/skills/billing-integration-apex/SKILL.md \
  -o ~/.claude/skills/billing-integration-apex/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/billing-integration-apex/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/billing-integration-apex/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\billing-integration-apex\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Billing Integration Apex Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/billing-integration-apex/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Billing Integration Apex skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Billing Integration Apex skill?

Use Billing Integration Apex when your Claude Code task falls under the General category — specifically in the integrations area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Billing Integration Apex" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Billing Integration Apex skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Billing Integration Apex is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Author: Pranav Nagrecha

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

Pranav Nagrecha. (2026). Billing Integration Apex [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/billing-integration-apex/

BibTeX

@misc{billing-integration-apex-2026,
  author    = {Pranav Nagrecha},
  title     = {Billing Integration Apex [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/billing-integration-apex/}
}

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