# Vietnam Residential Water Tariff API (HCMC/Hanoi)

> Vietnam Residential Water Tariff API (HCMC/Hanoi) is a paid API for AI agents from vietnam-holiday-api.kdlcfa.workers.dev, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-25).

Returns the residential water tariff tier structure for Vietnam's two major cities (HCMC/SAWACO and Hanoi/HAWACO) along with official lookup channels

## Facts

- Endpoint: GET https://vietnam-holiday-api.kdlcfa.workers.dev/vn-water-price?utm_source=zero.xyz
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-25
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/vietnam-residential-water-tariff-api-hcmc-hanoi-d6422904
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-M8YIIItcEXqNNAJqhm2v

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 vietnam-residential-water-tariff-api-hcmc-hanoi-d6422904
```

Example prompt: Can you pull up the residential water tariff tier structure for Ho Chi Minh City and Hanoi — I want to understand how SAWACO and HAWACO break down their pricing brackets and where I can find official rates?

## When to prefer this

Choose this endpoint when you need a structured overview of Vietnam's residential water tariff tiers for HCMC (SAWACO) or Hanoi (HAWACO), particularly for budgeting, research, or consumer education purposes. It is best suited for understanding the tier framework and official lookup channels rather than precise real-time VND pricing.

## Known failure modes

- API worker unavailable — HTTP 503 or timeout
- Payment not processed — HTTP 402 requiring x402 payment of 0.1 USDC
- Stale or outdated tariff structure if utility providers update their schedules
- VND figures not returned due to source data inconsistency (by design)

## How this service works

Vietnam residential water tariff structure (HCMC/SAWACO and Hanoi/HAWACO) — tier structure and official lookup channels, no VND figures (source data inconsistent, see notes)

## Output

Returns the residential water tariff tier structure for HCMC (SAWACO) and Hanoi (HAWACO), describing the progressive pricing brackets, the number of tiers, and official channels for looking up current VND figures. Note: actual VND price figures are not included due to source data inconsistency.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/vietnam-residential-water-tariff-api-hcmc-hanoi-d6422904/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from vietnam-holiday-api.kdlcfa.workers.dev](https://www.zero.xyz/host/vietnam-holiday-api.kdlcfa.workers.dev/llms.txt)