# Mycelia Signal SOL/USD Round-Number Support & Resistance Levels

> Mycelia Signal SOL/USD Round-Number Support & Resistance Levels is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-13).

Returns Ed25519-signed psychological round-number support and resistance price levels for SOL/USD based on 69 days of spot history, with strength and proximity data.

## Facts

- Endpoint: GET https://api.myceliasignal.com/oracle/market/support/round/sol
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mycelia-signal-sol-usd-round-number-support-resistance-levels-7891bf68
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_JnJPqg1yroY1b3Gg9z0ef

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 mycelia-signal-sol-usd-round-number-support-resistance-levels-7891bf68
```

Example prompt: What are the key psychological round-number support and resistance levels for SOL/USD right now — I want a signed attestation showing which levels are strongest and how close the current price is to each one.

## When to prefer this

Choose this endpoint when you need a deterministic, cryptographically verifiable attestation of SOL/USD price structure at psychological round-number levels — not a prediction or forecast. Ideal for on-chain protocols, trading bots, or audit trails that require tamper-evident data. Prefer over generic price feeds when round-number level strength and proximity are the key signals needed.

## Known failure modes

- Payment not received or x402 payment header missing — returns 402 Payment Required
- Internal data pipeline unavailable — returns 5xx error
- Rate limiting or invalid request format — returns 4xx error
- Stale or incomplete 69-day history data — may affect attestation completeness

## How this service works

SOL/USD psychological round-number levels. Deterministic price-structure attestation over 69d spot history — support, resistance, at-level with strength and proximity. Ed25519 signed. No forward-looking claim. — Ed25519 signed attestation

## Output

A deterministic, Ed25519-signed JSON attestation containing SOL/USD psychological round-number price levels derived from 69 days of spot history. Each level includes its classification (support, resistance, or at-level), a strength score, and proximity to the current price. No forward-looking predictions are included.

## 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",
     "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/mycelia-signal-sol-usd-round-number-support-resistance-levels-7891bf68/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.myceliasignal.com](https://www.zero.xyz/host/api.myceliasignal.com/llms.txt)