Fintech API

Q: What is a Claude Code skill and how does the Fintech API 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. Fintech API is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: security-misc · Last updated: 2026-05-21

type:audit type:generator

Scaffold a production-ready financial services API -- generate a complete fintech backend with Plaid bank account linking and transaction sync, ACH/wire/card payment processing with payment orchestration, double-entry bookkeeping ledger with immutable entries and balance caching, KYC identity verification workflow with progressive tiers and document upload, idempotent request handling with deduplication windows, HMAC-signed outbound webhooks with retry and exponential backoff, append-only audit logging for compliance, multi-currency support with integer minor-unit arithmetic, and field-level encryption for sensitive data. Supports Fastify 5, NestJS, Express, FastAPI, Django REST, and Gin. Build a fintech API, create payment backend, scaffold banking API, financial services backend, money transfer service, neobank API, lending platform.

About this skill (catalog notes)

Fintech API includes pricing or quota commentary; at least one code block. At roughly 2,268 words the SKILL.md is on the longer end of the catalog distribution.

Indexed lastmod: 2026-05-21
Catalog position: Security · security-misc
Indexed related skills: 10

How Fintech API fits the catalog

Fintech API sits in the Security category under the security-misc 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

You are in AUTONOMOUS MODE. Do NOT ask questions. Decide and build.

project-name/
  src/
    config/
      env.ts                         # Zod-validated environment variables
      database.ts                    # Prisma client singleton with connection pooling
      plaid.ts                       # Plaid client configuration
      payments.ts                    # Payment processor configuration
      logger.ts                      # Structured logging (Pino)
…

What this skill does

Fintech API is a community-contributed Claude Code skill in the security-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/fintech-api/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Fintech API Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 120,000+ 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/fintech-api
curl -L https://claudskills.com/skills/fintech-api/SKILL.md \
  -o ~/.claude/skills/fintech-api/SKILL.md

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

Skills live at ~/.claude/skills/fintech-api/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\fintech-api\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 Fintech API Claude Code skill?

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

What does the Fintech API 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 Fintech API skill?

Use Fintech API when your Claude Code task falls under the Security category — specifically in the security misc 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 Fintech API" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Fintech API 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. Fintech API is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Cite this skill

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

APA

ClaudSkills. (2026). Fintech API [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/fintech-api/

BibTeX

@misc{fintech-api-2026,
  author    = {ClaudSkills},
  title     = {Fintech API [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/fintech-api/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/fintech-api.svg)](https://claudskills.com/skills/fintech-api/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

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Browse all Security skills → Top 100 skills

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