Migrating from The Graph to a Multi-Chain Blockchain Data API: A 2026 Developer's Playbook

The Graph's subgraph deprecation notices and escalating query costs have pushed dozens of engineering teams to evaluate alternatives in 2026. If your indexing pipeline is tightly coupled to a single protocol, you're one sunset away from a production incident. Here's how to migrate cleanly — and build something more resilient on a unified multi-chain data layer.

Why teams are leaving subgraphs in 2026

The migration pain is real: subgraphs require GraphQL schema maintenance, re-indexing windows that can span days on busy chains, and a cost model that punishes high-frequency queries at scale. Teams running analytics dashboards or transaction monitoring across 5+ chains report spending 30–40% of backend engineering cycles just keeping subgraph indexes healthy.

The root problem isn't GraphQL — it's the tight coupling between your data model and a single indexing layer that doesn't scale horizontally across chains. Every new chain means another subgraph, another schema, another set of re-indexing nightmares.

A cleaner architecture: decouple ingestion from query

The migration pattern that works in practice is straightforward:

1. Map your existing subgraph entity schema to REST or WebSocket equivalents.
2. Stand up a parallel feed using a multi-chain blockchain data API to validate parity.
3. Cut over read traffic incrementally by route.

Crypto APIs covers 60+ chains — including EVM-compatible chains like Berachain's Polaris EVM — with unified endpoints for address transactions, token transfers, and block data. You're not rewriting schema per chain; you're querying a normalized data model across all of them. That alone eliminates the most time-consuming part of multi-chain subgraph maintenance.

The endpoints that replace your subgraph

Here's the direct mapping most teams use during migration:

• Address activity & balances — swap subgraph entity queries for the Address Latest product (real-time activity, 1-block confirmation) and Address History for full Genesis-onward backfills.
• Token & NFT transfers — covered by Address History and the Contracts Data endpoint for symbols, decimals, and supply metadata.
• Block-level analytics — the Block Data endpoint returns timestamps, miner details, gas usage, and uncle blocks across chains.
• Transaction tracing — use Transactions Data for inputs/outputs, internal transactions, and cross-chain swap detail.
• Real-time event listeners — replace subgraph event handlers with Blockchain Events webhooks (sub-100 ms delivery, no node maintenance).

The cutover playbook

Practical steps for the final switch:

1. Replace subgraph event listeners with Blockchain Events webhook subscriptions for on-chain triggers.
2. Move historical backfills to paginated REST calls against Address History and Transactions Data.
3. Retire your subgraph node infrastructure and reclaim the engineering cycles.

Teams typically complete this migration in under two weeks for a single-chain setup. For a 10-chain setup, the unified API model means you're not multiplying that effort by 10 — you're doing it once. Monitor query latency during the parallel run; most teams see p99 latency drop significantly when moving off shared subgraph infrastructure to dedicated API endpoints.

Get started

Explore the full Crypto APIs technical documentation and start your multi-chain migration today. If you'd rather talk it through with our team first, get in touch with our team.