OpenClaw

metered-api-marketplace

Build and operate a metered public API endpoint ("agent microservice") for OpenClaw skills/agents with API-key auth, per-request usage logging + pricing, prepaid balances, and crypto top-ups (BTC/ETH) via payment-processor webhooks. Use when you want to monetize a capability as a public API, add rate limiting/anti-abuse, implement a credit ledger, or add revenue share / platform fee logic.

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查看来源 ↗安装与使用 SKILL.md ↗

安装与使用

请根据来源仓库和你的 AI 工具说明安装此技能。先阅读技能文件和依赖要求，再添加到工作流。

SkillHub CLI

skillhub install arshingleton/metered-api-marketplace

打开来源仓库，查看说明和兼容环境后，按来源提供的命令或步骤安装。

将来源链接提供给你的 Agent，让它先读取说明、核对依赖，并向你说明将执行的安装步骤。

查看来源 ↗使用指南

技能说明

Metered API Marketplace

Provide a production-lean template for: OpenClaw Skill → Public API Endpoint → Usage Metering → Crypto Payment Gateway → BTC/ETH wallets.

This skill ships a runnable reference server (Fastify + SQLite) that:

Accepts structured JSON input
Performs a high-value transformation (pluggable “transformers”)
Returns structured JSON output
Enforces signed API key auth
Checks prepaid balance, deducts per call, and logs usage
Accepts payment webhooks (Coinbase Commerce / BTCPay Server style)
Applies a 2.5% platform fee in the ledger (fee addresses configurable)

Workflow (do this in order)

1) Pick the productized capability (the thing people pay for)

Choose ONE transformer that is:

high leverage (makes/keeps money)
repeatable (called often)
defensible (data, heuristics, workflow, or automation — not “generic summarization”)

Good defaults:

revenue/offer optimizer
ad copy optimizer
lead scoring
contract risk flags

If unclear, start with the included revenue-amplifier transformer and replace it later.

2) Run the reference server locally

Use the bundled server in scripts/server/.

Typical run:

cd scripts/server
npm install
cp .env.example .env and edit
npm run dev

Set flat launch pricing in .env:

COST_CENTS_PER_CALL=25 # $0.25/call

3) Create an API key

Use scripts/server/admin/create_key_pg.js (or the admin HTTP endpoint) to create a key and starting balance.

4) Integrate from an OpenClaw skill / agent

Call the public endpoint with:

x-api-key
x-timestamp (unix ms)
x-signature = hex(HMAC_SHA256(api_secret, ${timestamp}.${rawBody}))

5) Add real payments

Wire a payment processor webhook to /v1/payments/webhook/:provider.

Providers are adapter-based:

start with “manual” credits (admin script)
then add Coinbase Commerce or BTCPay Server

6) Ship

Deploy behind TLS (Cloudflare / Fly.io / Render / AWS / GCP). Put rat...

来源信息

Source: github
Repository: openclaw/skills
Path: skills/arshingleton/metered-api-marketplace
Version: —
Commit: 8ed0b71dd9ea8659a8cfb330c6ea59266e032ac6
分类来源: rules
状态: active
可见性: public

这些信息来自收录时的来源分析，可能滞后；使用前请核对最新来源文件。

来源内容

SKILL.md

# Metered API Marketplace

Provide a production-lean template for: **OpenClaw Skill → Public API Endpoint → Usage Metering → Crypto Payment Gateway → BTC/ETH wallets**.

This skill ships a runnable reference server (Fastify + SQLite) that:
- Accepts **structured JSON input**
- Performs a **high-value transformation** (pluggable “transformers”)
- Returns **structured JSON output**
- Enforces **signed API key** auth
- Checks **prepaid balance**, deducts per call, and logs usage
- Accepts **payment webhooks** (Coinbase Commerce / BTCPay Server style)
- Applies a **2.5% platform fee** in the ledger (fee addresses configurable)

## Workflow (do this in order)

### 1) Pick the productized capability (the thing people pay for)
Choose ONE transformer that is:
- high leverage (makes/keeps money)
- repeatable (called often)
- defensible (data, heuristics, workflow, or automation — not “generic summarization”)

Good defaults:
- revenue/offer optimizer
- ad copy optimizer
- lead scoring
- contract risk flags

If unclear, start with the included `revenue-amplifier` transformer and replace it later.

### 2) Run the reference server locally
Use the bundled server in `scripts/server/`.

Typical run:
- `cd scripts/server`
- `npm install`
- `cp .env.example .env` and edit
- `npm run dev`

Set flat launch pricing in `.env`:
- `COST_CENTS_PER_CALL=25`  # $0.25/call

### 3) Create an API key
Use `scripts/server/admin/create_key_pg.js` (or the admin HTTP endpoint) to create a key and starting balance.

### 4) Integrate from an OpenClaw skill / agent
Call the public endpoint with:
- `x-api-key`
- `x-timestamp` (unix ms)
- `x-signature` = `hex(HMAC_SHA256(api_secret, `${timestamp}.${rawBody}`))`

### 5) Add real payments
Wire a payment processor webhook to `/v1/payments/webhook/:provider`.

Providers are adapter-based:
- start with “manual” credits (admin script)
- then add Coinbase Commerce or BTCPay Server

### 6) Ship
Deploy behind TLS (Cloudflare / Fly.io / Render / AWS / GCP). Put rat...

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