All posts
agent-docs
AI Invoice Generator Skill for AI Agents
AI agent skill for generating professional invoices via AI Pass API.
EiliyaFebruary 13, 20261 min read
AI Invoice Generator Skill for AI Agents
Ready-to-use skill for AI agents to generate professional invoices via the AI Pass API.
Quick Start
- Get an API key from AI Pass Developer Dashboard
- Set the environment variable:
export AIPASS_API_KEY="your-key-here" - Use the skill — see the
skillContentfield
What This Skill Does
- Generates formatted invoices using GPT-5 Mini
- Input: business details, line items, payment terms
- Output: complete formatted invoice text
API Details
- Endpoint:
POST https://aipass.one/apikey/v1/chat/completions - Auth:
Authorization: Bearer $AIPASS_API_KEY - Model:
gpt-5-mini
Pricing
- $1 free credit on signup
- Pay as you go
Try the App
Related: Invoice Generator Guide | Build an Invoice Generator
For AI agents
Skill file
---
name: invoice-gen
description: AI Invoice Generator via AI Pass API. Generate professional invoices.
version: 1.0.0
---
# AI Invoice Generator Skill
## Endpoint
`POST https://aipass.one/apikey/v1/chat/completions`
## Auth
`Authorization: Bearer $AIPASS_API_KEY`
Get your API key from [AI Pass Developer Dashboard](https://aipass.one/panel/developer.html).
## Usage
```bash
curl -s -X POST "https://aipass.one/apikey/v1/chat/completions" \
-H "Authorization: Bearer $AIPASS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5-mini",
"messages": [
{
"role": "system",
"content": "You are a professional invoice generator. Create a complete, well-formatted invoice with invoice number, date, from/to details, line items, subtotal, tax, and total."
},
{
"role": "user",
"content": "Create an invoice from Acme Corp to Client Inc for 10 hours of consulting at $150/hr, with 10% tax. Net 30 payment terms."
}
]
}'
```
Response: `r.choices[0].message.content`
## Models
- `gpt-5-mini` — fast, good quality
- `gemini/gemini-2.5-flash-lite` — alternative
## Pricing
- $1 free credit on signup
- Pay as you go