Markets
mkts

mkts API

Real-time market data for stocks, crypto, ETFs, and commodities. No API key required to start. Register for higher limits.

Get API KeyView Endpoints

Quick Start

# No API key needed
curl https://mkts.io/api/v1/brief

# Or register for higher limits (100 req/hr)
curl -X POST -H "Content-Type: application/json" \
  -d '{"email":"you@example.com","name":"my-app"}' \
  https://mkts.io/api/v1/register

All Asset Classes

Stocks, crypto, ETFs, commodities in one API

Snapshot + Live

Cached data for speed, real-time quotes on demand

Agent-Ready

OpenClaw skill included for AI agent integration

Endpoints

GET/api/v1/marketGlobal market overview
GET/api/v1/assetsFiltered asset list
GET/api/v1/asset/{symbol}Single asset detail
GET/api/v1/asset/{symbol}/liveReal-time quote
GET/api/v1/moversTop gainers & losers
GET/api/v1/screenScreener with filters
GET/api/v1/sectorsSector performance
GET/api/v1/compareSide-by-side compare
GET/api/v1/briefCurated market brief
POST/api/v1/registerRegister for API key

Rate Limits

TierSnapshotLivePrice
Keyless20 req/hr20 req/hrNo key needed
Free100 req/hr10 req/hrFree
Premium1,000 req/hr100 req/hrIncluded with Premium

Authentication

No API key required for basic access (20 req/hour). For higher limits, pass your key via either method:

# Header
X-API-Key: mk_live_...

# Bearer token
Authorization: Bearer mk_live_...