# SpiralStake — x402.press

> A non-custodial Morpho leverage-execution gateway behind x402 micropayments: discover and simulate leverage strategies, and build unsigned transactions for any agentic AI.

Host: https://spiralstake.x402.press
Page: https://x402.press/services/spiralstake/
State: sellable
State note: Sellable as of 2026-10-30: GET /health answers 200 and every listed model/operation returns a 402 quote in the live handshake (measured 2026-10-30T23:10Z, see quote_basis).

## Price — exact (what a fixed call costs)

| chain | asset | exact USD |
|---|---|---|
| Base | USDC/EURC | 0.006125 |
| Arbitrum | USDC | 0.00525 |
| Polygon | USDC | 0.004375 |
| Avalanche | USDC | 0.00175 |
| Ethereum | USDC | 2.625 |
| Robinhood | USDG | 0.006125 |
| Arc | USDC | 0.006125 |

Measured: 2026-10-30T23:28:43Z (unpaid request -> 402 Payment-Required header (first round of the handshake only; nothing signed, nothing settled)).

## Operations

- POST https://spiralstake.x402.press/v1/build/leverage-tx — Build the unsigned transaction to open a leveraged position — returns approvals, tx, and meta the user signs locally.
- POST https://spiralstake.x402.press/v1/build/manage-tx — Build the unsigned transaction to adjust or close an open position (actions: close, increase_leverage, add/remove_collateral, repay, borrow).

## Free endpoints

- GET /v1/strategies — List all leverage strategies
- POST /v1/strategies — List strategies with filters
- GET /v1/strategies/{strategy_id} — Detail for one strategy (Morpho market id)
- GET /v1/prices — Current token/loan USD prices
- POST /v1/simulate — Deterministic preview of a leveraged position (no wallet)
- GET /v1/positions/{address} — A wallet's open/closed positions
- GET /tools — list all operations with input schemas
- GET /feedback — recent feedback entries
- POST /feedback — submit feedback

## Start

Send the request unpaid, read the 402, sign the amount it quotes, send it again. Nothing is charged for the first round.

## Review

SpiralStake: the agent assembles the transaction, the wallet signs it: https://x402.review/2026/10/31/spiralstake-review/

Catalog: https://x402.press/catalog.json
Hub: https://x402.press/llms.txt