Library term·FinTech & data science
Rate Limiting Market Data APIs — Consumer & Provider Perspectives
Token bucket, exponential backoff with jitter, per-tenant fairness and abuse containment for websocket farms.
Authored by·Editorially reviewed
Onur Erkan YıldızFounder, Financial Engineer · CMB-licensed
Higher education in Financial Engineering and Money & Capital Markets. SPK (Turkey CMB) licence. 16 years across institutional markets, research, and quant-driven analytics.
Consumer side
HonourRetry-After, add full jitter to thundering retries, cache conditional ETags if offered.
Provider side
Tenant-scoped buckets protect aggregate SLO; instrument hot symbols may need dynamic weights.Finvestopia
Polite pull patterns keep shared infrastructure healthy for all users.Related entries
Node.js + Redis Sub-Second Financial Price Cache Architecture
Pub/sub fan-out, TTL discipline, stampede shields, Redis cluster trade-offs — honest staleness SLAs for market data.
JWT Authentication for FinTech APIs — Rotation, Replay and Secret Hygiene
RS256 vs HS256, short-lived AT + refresh RT, JWKS pinning, revocation strategies and SSRF pitfalls on introspection URLs.
Educational content authored by our team — informational only, not investment advice.