8. Access Layer / API Gateway
Purpose:
Exposes the protocol to end-users, developers, and apps via a unified, easy-touse API or SDK.
Responsibilities:
Abstract away DePIN complexity: One interface to access Helium, Filecoin, WeatherXM, etc.
Offer REST, GraphQL, and/or WebSocket endpoints.
Authenticate user wallets or app credentials.
Support developer integrations, SDKs, and usage analytics.
Developer Features:
Auto-discovery of resources by type and region
Unified service ordering (e.g., “allocate 10 GPUs in Europe”)
Usage metering and billing logs
Subscription and task management (e.g. sensor feeds, model training jobs)
SDK Target Languages:
JavaScript/TypeScript (Web apps, Node.js)
CLI’s
Summary Table
Registry
Catalog and manage DePIN networks and nodes
Gateway/Relay Layer
Translate and relay requests to/from external DePIN protocols
Resource Normalization Layer
Harmonize data formats, units, and pricing across different DePINs
Payment Router
Enable cross-token, cross-network payments through abstraction and conversion
Reputation Oracle
Track, verify, and score service quality and availability
Access Layer / API Gateway
Unified developer interface for querying, booking, and managing services
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