# API3-USDT on Okx — instrument statistics

> Machine-readable twin of https://cryptostruct.com/analyze/instrument/240176 (an interactive dashboard that needs JavaScript).
> This document: https://cryptostruct.com/analyze/instrument/240176.md · Source: CryptoStruct's own tick-by-tick recordings.

API3-USDT is a spot instrument on Okx (API3/USDT). Master data, archive coverage and daily market statistics below.

## Instrument master data

| Field | Value |
| --- | --- |
| Instrument | API3-USDT (id 240176) |
| Exchange | Okx (`okex`) |
| Class | spot |
| Pair | API3/USDT |
| State | open |
| Tick size | 0.0001 |
| Lot size | 0.000001 |
| Minimum order | 1 API3 |
| Minimum notional | — |
| Listed | 2021-01-29 |

Exchange-published rules as synced on 2026-10-07; venues change them — check the venue before trading.

## Archive coverage

1,088 recorded UTC days from 2023-10-11 to 2026-10-06 — every trade, every order-book update at full depth and every quote of the venue's feed, one zstd-compressed JSON-lines file per day.

## Daily market statistics (last 30 recorded days)

Averages over these days: $513,315 turnover and 9,695 trades per day, quoted spread 10 bps, top-of-book depth $94, top-20 depth $12,947 (mid-side total notional over the top 20 levels).

| UTC day | Trades | Turnover USD | Avg spread bps | Top-of-book depth USD | Top-20 depth USD |
| --- | --- | --- | --- | --- | --- |
| 2026-10-06 | 70,813 | $4,934,442 | 10.6 | $115 | $8,202 |
| 2026-10-05 | 24,439 | $1,133,223 | 8.73 | $69 | $7,966 |
| 2026-10-04 | 5,861 | $208,781 | 12.3 | $74 | $13,910 |
| 2026-10-03 | 7,793 | $444,236 | 8.43 | $62 | $8,232 |
| 2026-10-02 | 7,836 | $192,059 | 11.4 | $83 | $12,385 |
| 2026-10-01 | 3,845 | $159,970 | 8.03 | $55 | $8,912 |
| 2026-09-30 | 8,369 | $303,138 | 11.1 | $87 | $10,567 |
| 2026-09-29 | 10,416 | $453,498 | 8.24 | $96 | $9,324 |
| 2026-09-28 | 7,898 | $213,118 | 12.1 | $88 | $11,464 |
| 2026-09-27 | 2,957 | $113,951 | 8.06 | $54 | $8,902 |
| 2026-09-26 | 12,876 | $251,884 | 11 | $85 | $12,208 |
| 2026-09-25 | 4,421 | $197,012 | 8.76 | $75 | $9,850 |
| 2026-09-24 | 6,177 | $229,679 | 13.1 | $111 | $14,801 |
| 2026-09-23 | 17,070 | $1,003,197 | 9.96 | $118 | $9,425 |
| 2026-09-22 | 6,651 | $234,172 | 13.6 | $125 | $17,678 |
| 2026-09-21 | 3,642 | $174,352 | 10.8 | $67 | $9,301 |
| 2026-09-20 | 4,465 | $173,865 | 13.5 | $118 | $19,949 |
| 2026-09-19 | 3,148 | $199,994 | 9.25 | $63 | $16,643 |
| 2026-09-18 | 1,662 | $191,781 | 13 | $221 | $20,978 |
| 2026-09-17 | 2,079 | $245,117 | 8.13 | $215 | $17,027 |
| 2026-09-16 | 3,036 | $222,570 | 8.44 | $121 | $16,145 |
| 2026-09-15 | 4,520 | $261,032 | 12.8 | $131 | $15,076 |
| 2026-09-14 | 26,280 | $1,212,400 | 10.3 | $86 | $13,464 |
| 2026-09-13 | 26,126 | $1,914,337 | 9.53 | $114 | $11,139 |
| 2026-09-12 | 2,972 | $148,464 | 7.52 | $62 | $13,711 |
| 2026-09-11 | 3,637 | $108,412 | 7.75 | $43 | $15,224 |
| 2026-09-10 | 3,596 | $123,922 | 7.84 | $60 | $14,851 |
| 2026-09-09 | 3,479 | $143,364 | 8.08 | $89 | $14,015 |
| 2026-09-08 | 2,604 | $129,580 | 8.72 | $74 | $13,828 |
| 2026-09-07 | 2,183 | $77,896 | 8.86 | $57 | $13,228 |

## Get the data

- Rolling 24 h of 1-minute statistics as CSV (free, no auth): https://cryptostruct.com/api/analyze/instrument-last-24h-minutes/240176?format=csv
- Full tick-by-tick day files, €1 per instrument-day, no subscription, no account: https://cryptostruct.com/shop?i=240176
- Free sample days: https://cryptostruct.com/download · MCP server for agents: https://cryptostruct.com/mcp