asterdex/aster-skills-hub/aster-api-auth-v1

Name: aster-api-auth-v1
Author: asterdex

Claude Code and agent skill by asterdex/aster-skills-hub

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HMAC SHA256 signed requests for Aster Futures API v1. X-MBX-APIKEY, timestamp, recvWindow, signature. Use when calling TRADE, USER_DATA, or USER_STREAM (/fapi/v1/ or v2/v4).

Install

npx vskill@latest install asterdex/aster-skills-hub/aster-api-auth-v1

SKILL.md

Aster API Authentication (v1)

Base: https://fapi.asterdex.com. API key + secret case sensitive. Signed: send timestamp, signature; optional recvWindow (default 5000 ms, keep ≤ 5000).

Param	Description
X-MBX-APIKEY	API key (header)
timestamp	Current time, ms
recvWindow	Request valid this long after timestamp
signature	HMAC SHA256(totalParams, secretKey), hex

Signature: (1) totalParams = query + body (no & between; GET = query only; POST/PUT/DELETE = query + body as sent). (2) HMAC SHA256(secretKey, totalParams) → hex. (3) Add signature to query or body (last param); header X-MBX-APIKEY. Signature not case sensitive.

Timing: Server accepts if timestamp < serverTime+1000 and serverTime - timestamp <= recvWindow. Use GET /fapi/v1/time if clock skew. Security: Env vars for key/secret; keys can be restricted (TRADE-only etc.).

Payload shapes: reference.md.

Security

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Model reviewPassed

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Source

SKILL.md in the repositoryCheckingskills/aster-api-auth-v1/SKILL.md

Popularity

Repository stars: 60
Repository forks: 10
7-day trend score: 21

Stars and forks are for the whole GitHub repository, not this skill alone. Refreshed 17 Mar 2026, 7 months ago.

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