# StableEmail List Inbox Messages

> StableEmail List Inbox Messages is a paid API for AI agents from stableemail.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15, last successful call 2026-08-21).

Lists messages in a StableEmail forwarding inbox

## Facts

- Endpoint: POST https://stableemail.dev/api/inbox/messages
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Last successful call: 2026-08-21
- Success rate: 100% of calls made through Zero
- Rating: 5.0 / 5 from 1 review
- Activations on Zero: 6
- Tags: x402
- Canonical page: https://www.zero.xyz/c/stableemail-904fe442
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_SgQIlRkKNzKhaytxu_--z

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 stableemail-904fe442 -d '<json body>'
```

Example prompt: Can you check my StableEmail inbox and show me the list of messages that have arrived at my stableemail.dev forwarding address?

## When to prefer this

Use this endpoint when you need to programmatically read or list emails received in a StableEmail forwarding inbox on stableemail.dev, particularly in agentic workflows that involve receiving email replies, verification codes, or notifications via a temporary or custom email address.

## Known failure modes

- Invalid or expired inbox credentials returns authentication error
- Inbox not found or does not exist returns 404-style error
- Inbox has expired (unpaid/lapsed) returns error indicating renewal needed
- Network or service unavailability returns 5xx error
- Malformed request body returns 400 validation error

## How this service works

List messages

## Output

Returns a list of email messages in the specified StableEmail inbox, including message metadata such as sender, subject, timestamp, and message content or preview.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "limit": {
   "type": "integer",
   "default": 20,
   "maximum": 100,
   "minimum": 1
  },
  "cursor": {
   "type": "string",
   "minLength": 1
  },
  "username": {
   "type": "string",
   "allOf": [
    {
     "pattern": "^[a-z0-9][a-z0-9-]{1,28}[a-z0-9]$"
    },
    {
     "pattern": "^(?!.*--)"
    }
   ]
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stableemail-904fe442/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from stableemail.dev](https://www.zero.xyz/host/stableemail.dev/llms.txt)