solana/docs/src/cluster/rpc-endpoints.md

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Solana Cluster RPC Endpoints

Solana maintains dedicated api nodes to fulfill JSON-RPC requests for each public cluster, and third parties may as well. Here are the public RPC endpoints currently available and recommended for each public cluster:

Devnet

Endpoint

• https://api.devnet.solana.com - single Solana-hosted api node; rate-limited

Rate Limits

• Maximum number of requests per 10 seconds per IP: 100
• Maximum number of requests per 10 seconds per IP for a single RPC: 40
• Maximum concurrent connections per IP: 40
• Maximum connection rate per 10 seconds per IP: 40
• Maximum amount of data per 30 second: 100 MB

Testnet

Endpoint

• https://api.testnet.solana.com - single Solana-hosted api node; rate-limited

Rate Limits

• Maximum number of requests per 10 seconds per IP: 100
• Maximum number of requests per 10 seconds per IP for a single RPC: 40
• Maximum concurrent connections per IP: 40
• Maximum connection rate per 10 seconds per IP: 40
• Maximum amount of data per 30 second: 100 MB

Mainnet Beta

Endpoints

• https://api.mainnet-beta.solana.com - Solana-hosted api node cluster, backed by a load balancer; rate-limited
• https://solana-api.projectserum.com - Project Serum-hosted api node

Rate Limits

• Maximum number of requests per 10 seconds per IP: 100
• Maximum number of requests per 10 seconds per IP for a single RPC: 40
• Maximum concurrent connections per IP: 40
• Maximum connection rate per 10 seconds per IP: 40
• Maximum amount of data per 30 second: 100 MB