# MyeliaSignal SOL/USD Open Interest Oracle

> MyeliaSignal SOL/USD Open Interest Oracle is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Returns aggregated SOL/USD open interest data across 5 exchanges with an Ed25519 cryptographic attestation

## Facts

- Endpoint: GET https://api.myceliasignal.com/oracle/oi/sol/usd
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/myeliasignal-sol-usd-open-interest-oracle-1d0f6c69
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_4sFw6DGr60yK3g8LXOQV7

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 myeliasignal-sol-usd-open-interest-oracle-1d0f6c69
```

Example prompt: What's the current SOL/USD open interest aggregated across exchanges right now? I need a cryptographically signed attestation I can verify on-chain.

## When to prefer this

Choose this endpoint when you need a multi-exchange aggregated SOL/USD open interest figure that carries a cryptographic attestation (Ed25519 signature) for trustless or on-chain verification. It is ideal for DeFi protocols, smart contract oracles, or agents that need tamper-evident financial data rather than a raw unsigned feed. Prefer this over generic price feeds when open interest (not spot price) is specifically required for Solana.

## Known failure modes

- Exchange data unavailable — one or more of the 5 exchanges may be unreachable, resulting in partial or failed aggregation
- Payment not accepted — missing or invalid x402 payment header returns 402 Payment Required
- Rate limit exceeded — too many requests in a short window
- Stale data — if exchange feeds are lagging, returned open interest may not reflect real-time state
- Signature verification failure — if the Ed25519 key has rotated, downstream verifiers may reject the attestation

## How this service works

Solana open interest across 5 exchanges — aggregated OI with deltas for positioning and sentiment — Ed25519 signed attestation

## Output

Returns the aggregated SOL/USD open interest figure compiled across 5 exchanges, accompanied by an Ed25519 digital signature that allows downstream consumers (e.g. smart contracts or verifiers) to cryptographically attest the data's authenticity and origin.

## Example request

```json
{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {}
 }
}
```

## 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/myeliasignal-sol-usd-open-interest-oracle-1d0f6c69/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)