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Indexer API

Query blockchain data with powerful filtering and sorting capabilities.

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Analytics API

Track user engagement, retention, and transaction metrics for your applications.

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Metadata API

Store and retrieve metadata for tokens, collections, and other assets.

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Transactions API

Submit and manage blockchain transactions with optimized gas fees and batching.

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Marketplace API

Create and manage orders for NFT marketplaces and exchanges.

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Node Gateway

Access high-performance RPC nodes with automatic scaling and failover.

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Indexer Gateway

Query blockchain data across multiple chains with a single API request with the Indexer Gateway

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Authentication

Most Sequence APIs require authentication using either:
  • Project Access Key: For client-side requests, these are listed as public.
  • Service Token: For server-side requests that require elevated permissions, these require passing a secret bearer token and listed as secret.
You can generate these credentials in the Sequence Builder dashboard.

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Rate Limits

API rate limits vary by tier and available MAUs. Check your project settings in the Sequence Builder dashboard for your specific limits.