API Response Time Horizon

import matplotlib.pyplot as plt
import numpy as np

COLORS = {
    'bands': ['#0d3d4d', '#1a6b7a', '#22D3EE', '#27D3F5'],
    'background': '#0a0a0f',
    'text': '#ffffff',
}

np.random.seed(666)
requests = np.arange(0, 1000)
# Response time with occasional spikes
base_latency = 50 + 20 * np.sin(requests * 0.01)
spikes = np.random.choice([0, 1], size=len(requests), p=[0.97, 0.03]) * np.random.uniform(100, 300, len(requests))
latency = base_latency + spikes + np.random.exponential(10, len(requests))
latency = np.clip(latency, 20, 400)
latency_norm = latency / 400

fig, ax = plt.subplots(figsize=(14, 3), facecolor=COLORS['background'])
ax.set_facecolor(COLORS['background'])

band = 0.25

ax.fill_between(requests, 0, np.clip(latency_norm, 0, band), color=COLORS['bands'][0])
ax.fill_between(requests, 0, np.clip(latency_norm - band, 0, band), color=COLORS['bands'][1])
ax.fill_between(requests, 0, np.clip(latency_norm - 2*band, 0, band), color=COLORS['bands'][2])
ax.fill_between(requests, 0, np.clip(latency_norm - 3*band, 0, band), color=COLORS['bands'][3])

ax.set_xlim(0, 999)
ax.set_ylim(0, 0.3)

ax.set_title('API Response Time (ms)', color=COLORS['text'], fontsize=12, fontweight='bold', pad=10)
ax.set_xlabel('Request #', color=COLORS['text'], fontsize=10)
ax.set_ylabel('Latency (ms)', color=COLORS['text'], fontsize=10)

for spine in ax.spines.values():
    spine.set_visible(False)
ax.tick_params(colors=COLORS['text'], labelsize=9)

plt.tight_layout()
plt.show()