# aeml-x402 Service Graveyard (Dead Services Registry)

> aeml-x402 Service Graveyard (Dead Services Registry) is a paid API for AI agents from aeml-x402.zeabur.app, paid per call via x402, $0.09/call, status unknown (last checked 2026-09-13).

Returns a list of x402 services that have disappeared from the census — their 'death records' including when they were last seen and verifiable record hashes.

## Facts

- Endpoint: GET https://aeml-x402.zeabur.app/trust/graveyard
- Price: $0.09/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/aeml-x402-service-graveyard-dead-services-registry-c1c164e2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kHRlyf5EWA8yE8NzpjO5F

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 aeml-x402-service-graveyard-dead-services-registry-c1c164e2
```

Example prompt: Can you pull up the graveyard list of x402 services that have gone offline — I want to see all the confirmed-dead entries and their verifiable record hashes from the census snapshot.

## When to prefer this

Use this endpoint when you need a curated, cryptographically verifiable list of x402 services that have vanished from the active registry — specifically useful for ecosystem health audits, integration dependency checks, or research into API lifecycle patterns within the x402/USDC payment ecosystem. Prefer this over manual probing when you want a snapshot-backed, single-call enumeration of confirmed-dead services.

## Known failure modes

- Payment not received or invalid x402 payment header — request rejected with 402
- Service temporarily unavailable — upstream registry unreachable
- Empty deaths array if no services have been confirmed absent in the snapshot window
- Malformed payment credentials resulting in authentication failure

## How this service works

[BATCH+PROOF] x402 service graveyard - services that vanished from the census. THRESHOLD stated plainly: listed on FIRST confirmed absence (confirm_absences=1), NOT multi-day confirmation - only two snapshot days exist, which cannot support a streak test. Rows are hash-backed and recompute offline with ?verifiable=1; record_hash_verifiable reports the exact count per response. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.

## Output

A JSON object containing: a count of deceased services, an array of death records (services confirmed absent from the census), and a record_hash_verifiable object that progressively reveals cryptographic hashes for each entry to allow self-verification. The snapshot covers the 2026-07-07/08 census window; a service is listed after a single confirmed absence.

## Request schema (JSON Schema)

```json
{
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "verifiable": {
       "type": "string",
       "description": "optional - set to 1 to attach `_hash_core` per row (the canonical pre-image of the record_hash for that row) so you can recompute and verify fully offline; omitted by default to keep the payload small - for online verification use free GET /gauge/verify?hash="
      }
     },
     "additionalProperties": false
    }
   }
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "const": "json"
    },
    "example": {}
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/aeml-x402-service-graveyard-dead-services-registry-c1c164e2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from aeml-x402.zeabur.app](https://www.zero.xyz/host/aeml-x402.zeabur.app/llms.txt)