aster-api-spot-auth-v3

EIP-712 signed requests for Aster Spot Testnet API v3. Base sapi.asterdex-testnet.com, /api/v3/. Use when calling TRADE, USER_DATA, USER_STREAM, or MARKET_DATA on spot testnet. Algorithm same as aster-api-auth-v3.

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Install skill "aster-api-spot-auth-v3" with this command: npx skills add asterdex/aster-skills-hub/asterdex-aster-skills-hub-aster-api-spot-auth-v3

Aster Spot API Authentication (v3 — Testnet)

Base: https://sapi.asterdex-testnet.com. Path prefix: /api/v3/. Signed: send user, signer, nonce, signature in body.

ParamDescription
userMain account wallet
signerAPI wallet
nonceCurrent time, microseconds
signatureEIP-712 (hex)

Signing: Same as aster-api-auth-v3: param string (key=value, sort ASCII); EIP-712 domain (testnet may use chainId 714—check api-docs); sign with API wallet private key; add signature to body. POST/DELETE: application/x-www-form-urlencoded.

Noop: POST /api/v3/noop (TRADE): Cancel in-flight requests that have not completed on-chain; nonce can be reset. Weight: 1.

Payload shapes: reference.md.

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