Gateway Systems & Stream Architecture
An engineering breakdown of how API100 routes tokens across Anthropic, OpenAI, Google, DeepSeek, and Meta with sub-50ms proxy latency and zero persistent disk logging.
End-to-End Request Pipeline
Anycast DNS routes client HTTPS request to nearest geographic POP (Mumbai, Frankfurt, US-East, Singapore).
HMAC-SHA256 token validation against in-memory Redis cluster. Checks credit wallet balance.
Live health telemetry checks provider availability. Reroutes to fallback if upstream 5xx detected.
Zero-copy chunk forwarding relays token deltas over HTTP/2 back to client in real time.
Memory-Only Stream Relay
Unlike traditional API proxies that buffer entire HTTP request and response bodies in disk caches for post-processing, API100 utilizes continuous streaming chunk passthrough. When a model returns Server-Sent Event (SSE) chunks, the proxy pipes bytes directly from the upstream TLS socket into the downstream client socket without writing payloads to temporary files.
Dynamic Upstream Connection Pooling
API100 maintains pre-warmed, keep-alive TLS 1.3 socket pools connected directly to Anthropic, OpenAI, Google Cloud, and DeepSeek data centers. By reusing established TCP handshakes, client requests bypass the 100-200ms latency penalty traditionally incurred by fresh TLS negotiation.

