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New Listings Feed
v2 WebSocket/v2/fast

Fast

Official /v2/fast schema for raw announcements, exchange posts and event timestamps.

New Listings Feed's /v2/fast stream sends raw announcement titles and X posts before parsing, with source URLs and event timestamps for clients running their own parser.

Key WebSocket URL
FREE No access
STARTER, PRO wss://tokyo.newlistings.pro/v2/fast, wss://ny.newlistings.pro/v2/fast or wss://seoul.newlistings.pro/v2/fast

Filter the stream with exchange, data_type and username in the connection URL. See Filters and coverage.

Event fields

Field Type Notes
id integer Opaque event ID for this edge and endpoint.
type string announcement or tweet.
exchange string Canonical exchange identifier.
username string Present only on tweet events.
text string Announcement title or post text.
url string Source URL.
detected_time_us integer Detection time as Unix epoch microseconds.
sent_time_us integer Publication time as Unix epoch microseconds, after any plan delay.

Do not use id to join or deduplicate events across Fast, Full or regional edges. IDs are allocated independently. See Measure delivery before interpreting the timestamps.

Examples

Listing announcement

Recorded in Tokyo on September 17, 2026: 187µs from detection to publication.

{
  "id": 3665113257297920,
  "type": "announcement",
  "exchange": "upbit",
  "text": "페이팔유에스디(PYUSD), 제이피와이코인(JPYC) 신규 거래지원 안내 (KRW, BTC, USDT 마켓)",
  "url": "https://upbit.com/service_center/notice?id=1580532257",
  "detected_time_us": 1789606082665086,
  "sent_time_us": 1789606082665273
}
Tweet

Recorded in Tokyo on September 15, 2026: 180µs from detection to publication.

{
  "id": 3664821661929472,
  "type": "tweet",
  "exchange": "binance",
  "username": "BinanceWallet",
  "text": "Binance Alpha will be the first platform to feature apM Fashion (APM) on September 17.\n\nEligible users can claim their airdrop using Binance Alpha Points on the Alpha Events page once trading opens. Further details will be announced soon.\n\nPlease stay tuned to Binance’s official…",
  "url": "https://x.com/BinanceWallet/status/2099789072642474413",
  "detected_time_us": 1789463702113900,
  "sent_time_us": 1789463702114080
}