# Sponge: Kling Advanced Custom Elements – List Tasks

> Sponge: Kling Advanced Custom Elements – List Tasks is a free API for AI agents from freepik.x402.paysponge.com, Free, status down (last checked 2026-09-13).

Lists existing Kling Advanced Custom Elements video generation tasks via the Sponge x402 payment proxy for Freepik

## Facts

- Endpoint: GET https://freepik.x402.paysponge.com/v1/ai/video/kling-advanced-custom-elements
- Price: Free
- Status: down
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/freepik-986e708f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vOifSFa3eKlhF8AoZG3Y7

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 freepik-986e708f
```

Example prompt: Can you check what Kling Advanced Custom Elements video tasks I currently have queued or completed through my Sponge account?

## When to prefer this

Use this endpoint when you need to poll or audit the status of previously submitted Kling Advanced Custom Elements video generation jobs through the Sponge x402 proxy. Prefer this over other sibling endpoints when specifically working with the Kling Advanced Custom Elements model (not Kling 2.1 Pro/Standard or Kling Elements Pro).

## Known failure modes

- No tasks found — returns empty list or 404 if no jobs have been submitted
- Authentication/payment failure — x402 payment not processed, returns 402
- Upstream Freepik API unavailable — 502 or 503 gateway error
- Rate limit exceeded — 429 response from proxy
- Malformed request — 400 if query parameters are invalid

## How this service works

Advanced Custom Elements - List tasks

## Output

Returns a JSON list of Kling Advanced Custom Elements video generation tasks, including their IDs, statuses, and associated metadata, as stored by the Freepik/Sponge platform.

## 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",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {},
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "additionalProperties": true
    }
   },
   "additionalProperties": false
  }
 },
 "additionalProperties": false
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/freepik-986e708f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from freepik.x402.paysponge.com](https://www.zero.xyz/host/freepik.x402.paysponge.com/llms.txt)