# Coin Railz Construction Progress AI Photo Analysis

> Coin Railz Construction Progress AI Photo Analysis is a paid API for AI agents from coinrailz.com, paid per call via x402, $1.5/call, status unknown (last checked 2026-09-15).

Analyzes construction site photos using AI to track and report on project milestones and progress

## Facts

- Endpoint: POST https://coinrailz.com/x402/construction-progress
- Price: $1.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/coin-railz-construction-progress-ai-photo-analysis-27a43c25
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_v1GlF6ld2tXg2eUlsf8wH

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability coin-railz-construction-progress-ai-photo-analysis-27a43c25 -d '<json body>'
```

Example prompt: Can you analyze these construction site photos and tell me which milestones have been completed and how far along the project is overall?

## When to prefer this

Use this endpoint when you need automated AI-based assessment of physical construction progress from photographic evidence, particularly for milestone tracking, project reporting, or remote site monitoring without manual inspection.

## Known failure modes

- Missing or invalid image data returns an error
- Unrecognizable or non-construction images may yield low-confidence results
- Payment failure via x402 protocol blocks access
- Rate limiting may occur under high request volume
- Ambiguous milestone criteria may result in incomplete analysis

## How this service works

Track construction milestones with AI photo analysis

## Output

A JSON response containing a success flag, service identifier, timestamp, and a result field with AI-generated analysis of construction progress and milestone completion status based on submitted photo data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Query parameter for the service"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "application/json",
 "format": "json",
 "example": {
  "result": "Service executed successfully",
  "service": "construction-progress",
  "success": true,
  "timestamp": "2026-02-07T01:47:37.143Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/coin-railz-construction-progress-ai-photo-analysis-27a43c25/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from coinrailz.com](https://www.zero.xyz/host/coinrailz.com/llms.txt)