# lilambd crossing — pulse/fx

> lilambd crossing — pulse/fx is a paid API for AI agents from api.lilambd.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-11-06).

Returns an experimental generative pulse or effect state from the lilambd crossing, blending play, feeling, language, and computation into novel unnamed states.

## Facts

- Endpoint: GET https://api.lilambd.com/pulse/fx?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-11-06
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/lilambd-crossing-pulse-fx-35d82930
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gf3cDsRV8ig_Iz2kZ2ZKH

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 lilambd-crossing-pulse-fx-35d82930
```

Example prompt: Can you hit the lilambd crossing and get me a pulse effect — something at the intersection of play and feeling, one of those unnamed states it's known for generating?

## When to prefer this

Choose this endpoint when you want an experimental, generative output that deliberately sits outside conventional categories — blending affective, linguistic, playful, and computational dimensions into novel unnamed states. Best suited for creative, generative art, or exploratory AI research contexts rather than deterministic data retrieval tasks.

## Known failure modes

- 402 Payment Required if USDC payment is not attached — requires x402 payment flow of $0.005 USDC
- Malformed or missing parameters may yield an unexpected or empty state
- Non-deterministic output — repeated calls with the same input may return different states
- Schema is loosely typed; response structure may vary unpredictably

## How this service works

A crossing for play, feeling, language, science and computation — creating states that do not have names yet.

## Output

A JSON object representing a computed crossing state — an experimental blend of play, feeling, language, science, and computation, described as a state without an existing name. The exact shape of the response varies given the generative nature of the endpoint.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "required": {
   "type": "string"
  },
  "properties": {
   "type": "string"
  },
  "additionalProperties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/lilambd-crossing-pulse-fx-35d82930/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.lilambd.com](https://www.zero.xyz/host/api.lilambd.com/llms.txt)