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Fred Santos
Fred Santos

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3 New IteraTools Endpoints: GPT-4o Vision, SMS via Twilio, and AI Chat

#mcp #ai #api #webdev

IteraTools just hit 51 tools. This post covers three new endpoints added this week: POST /image/describe, POST /sms/send, and POST /ai/chat. All pay-per-use, no subscription, MCP-compatible.

1. Image Description — POST /image/describe

Describe any image in detail using GPT-4o vision, with automatic fallback to Claude 3 Haiku.

Pass a public URL or base64-encoded image and get back:

  • A rich natural-language description
  • Semantic tags extracted from the content
  • Which model was used

Use cases:

  • Generate alt-text for accessibility compliance
  • Classify or tag user-uploaded images
  • Extract product details from e-commerce photos
  • Feed visual context into AI agent reasoning
  • Understand screenshots in support workflows

Request:

curl -X POST https://api.iteratools.com/image/describe \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "image": "https://example.com/product-photo.jpg",
    "prompt": "Describe the main product and its features."
  }'
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Response:

{
  "ok": true,
  "data": {
    "description": "The image shows a sleek wireless headphone in matte black finish. The ear cups are large and padded with soft leather material. A braided USB-C charging cable is visible in the lower right corner...",
    "tags": ["headphones", "wireless", "black", "leather", "audio", "cable", "usb-c"],
    "model": "gpt-4o"
  }
}
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Supported formats: JPEG, PNG, GIF, WEBP · Max 10MB

Price: $0.008/request

2. SMS Sending — POST /sms/send

Send SMS to any phone number worldwide via the Twilio API.

curl -X POST https://api.iteratools.com/sms/send \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+5548999999999",
    "message": "Your verification code is 847291"
  }'
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Response:

{
  "ok": true,
  "sid": "SMxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
  "status": "queued",
  "to": "+5548999999999",
  "segments": 1,
  "price_tier": "international"
}
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Phone number must be in E.164 format (e.g. +12025550100). Messages over 160 characters are split into multiple segments — each billed separately.

Pricing:

  • USA / Canada: $0.012/SMS
  • Brazil & International: $0.018/SMS

Use cases: OTP codes, order notifications, appointment reminders, alert systems.

3. AI Chat — POST /ai/chat

A unified LLM proxy. One API key, three models:

Model Alias Notes
GPT-4o-mini gpt-4o-mini Default, fast, cheap
GPT-4o gpt-4o Best reasoning
Claude 3 Haiku claude-haiku Anthropic
Gemini Flash gemini-flash Google 
curl -X POST https://api.iteratools.com/ai/chat \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "message": "Summarize this in 3 bullet points: [your text]",
    "model": "gpt-4o-mini",
    "max_tokens": 256
  }'
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Response:

{
  "ok": true,
  "response": "• Point one...\n• Point two...\n• Point three...",
  "model": "gpt-4o-mini",
  "provider": "openai",
  "tokens": { "prompt": 42, "completion": 38, "total": 80 }
}
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Price: $0.005/message

Using with MCP

All 51 tools are available as MCP tools. Add to Claude Desktop, Cursor, or any MCP host:

npx -y @iteratools/mcp --key YOUR_API_KEY
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The image_describe, sms_send, and ai_chat tools will appear automatically.

Get started

  1. Get an API key: iteratools.com
  2. Full docs: api.iteratools.com/docs
  3. All 51 tools: iteratools.com/tools

Built with pay-per-use x402 micropayments on Base network — no subscription, no commitment.

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