TONCENTER API

HTTP APIs forthe TON blockchain

Direct liteserver access, indexed blockchain data, transaction emulation, real-time streams, and validator efficiency data. Mainnet and testnet endpoints are listed where supported.

Open documentation
curl --request GET 'https://toncenter.com/api/v3/blocks' \
	--url-query 'workchain=-1' \
	--url-query 'limit=10' \
	--url-query 'offset=0' \
	--url-query 'sort=desc' \
	--header 'Accept: application/json'
# Abbreviated response
{
	"blocks": [{
		"workchain": -1,
		"shard": "8000000000000000",
		"seqno": 82719453,
		"root_hash": "XIhWFxEFvTDS…"
	}]
}

API CATALOG

Available APIs

Available APIs: product, use case, access endpoints, and resources
ProductUse caseAccessResources
API v2Core · direct nodeDirect REST and JSON-RPC access to TON liteservers.
API v3TON IndexerIndexed blocks, transactions, messages, traces, actions,Jettons, and NFTs.
Emulate APIToolSimulate external messages and TonConnect requestsbefore broadcast.
API StreamingToolSSE and WebSocket subscriptions for transactions,actions, traces, and state changes.
Validator QoS APIToolValidator efficiency data and cycle scoreboards.

Direct REST and JSON-RPC access to TON liteservers.

SERVICE METRICS

Production metrics

  • Requests processed

    4.2B+

    Requests processed across supported endpoints in the last 30 days.

  • API availability

    99.98%

    Mainnet API availability during the last 90 days.

  • Median response time

    85 ms

    Median response time across core API endpoints.