Mirror

Stream blockchain data directly to your database

Fresh data, from chain to table.
Always a heartbeat ahead.

Start streaming

Bitcoin
Ethereum
Base
Polygon
Optimism
Arbitrum
Solana
Goldsky
PostgreSQL
ClickHouse
Kafka
S3
Elasticsearch
Snowflake

Sub-second latency at scale

Mirror is fast enough to power orders on prediction markets and trading platforms.

For modern crypto teams

Connect to Postgres for apps or Clickhouse for analytics. Add built-in filtering and decoding.

Universal support

Source your database from anywhere - subgraphs, transactions, or pre-made datasets.
Developer Experience

Developer-first workflows for the whole team

Even if you're not a developer, there's an option for every type of builder.

CLI

Do all things pipelines from your terminal. Less clicking, more shipping. Our CTO lives by it.

~/terminal

>goldsky pipeline create my-pipeline
Pipeline created successfully
>goldsky pipeline resize --size large
Resized to large (4 cores, 16GB RAM)

YAML Config

Pipeline configs you can version, review, and automate. Plays nice with your Git workflows and CI/CD pipelines.

mirror.yaml
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# example using datasets
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name: solana-edge-transactions
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apiVersion: 3
4
sources:
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  solana.edge_transactions:
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    dataset_name: solana.edge_transactions
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    type: dataset
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    version: 1.0.0

Visual Pipeline Builder

Visually build pipelines with drag-and-drop ease. Instantly preview changes and iterate without redeploys.

app.goldsky.com

Goldsky Flow - Drag and Drop Interface

Snapshots

Instant restarts from saved checkpoints. Saves you from reprocessing millions of blocks.

Email alerts

Get notified about pipeline failures, completions, and performance issues.

TypeScript transforms

Call external APIs. Pull in libraries. Write complex logic to make your data do tricks.
Features

Raw blocks to clean tables

Start with a fresh dataset or slot Mirror into your existing data stack. Source, transform, and stream data to power whatever you're building.

Self-healing

Handles reorgs and backups automatically. One less thing to worry about at 2 AM.

Elastic compute

Scale up for fast backfilling and scale down once you’re caught up to optimize capacity.

Using Subgraphs?

Keep them. Use your existing subgraphs as a data source to stream to any destination.
Destinations

Stream to any destination

Databases for apps, warehouses for analytics, or queues for event-driven systems. Use your existing infrastructure or build something new.

APIs & Apps

Power live apps, dashboards, and instant lookups with sub-second queries.

PostgreSQL

PostgreSQL

Includes NeonDB, Amazon Aurora, Google Cloud SQL, and TigerData (Timescale)

MySQL

MySQL

Includes SingleStore and StarRocks

Amazon DynamoDB

Amazon DynamoDB

Webhooks

Webhooks

Streaming & Storage

High-throughput streams, message queues, and cost-effective storage.

Apache Kafka

Apache Kafka

Amazon SQS

Amazon SQS

Amazon S3

Amazon S3

Google Cloud Storage

Google Cloud Storage

Parquet / CSV / JSON

Parquet / CSV / JSON

Analytics & More

Run large-scale queries, aggregations, and BI on petabyte-scale datasets.

ClickHouse

ClickHouse

Elasticsearch

Elasticsearch

OpenSearch

OpenSearch

Snowflake

Snowflake

Google BigQuery

Google BigQuery

Not sure if your data sink is supported? Ask us!

Performance

Battle-tested at scale

Mirror powers critical backend infrastructure for startups to enterprise-scale protocols managing billions in TVL.

$12B+

TVL powered by Goldsky

36GB+

data transferred / min

103M+

messages processed / min

500+

TB in datasets

Customers

Mirror is trusted by industry leaders

Leading protocols and chains use Mirror to solve their trickiest data challenges.

Polymarket
Liam Kovatch

Liam Kovatch

Head of Engineering, Polymarket

Polymarket has a lot of customer data living offchain, and needed a way to marry that to trade activity. Mirror was a huge unlock for us, letting us write onchain data to our Postgres database instantly to build more complex APIs.

$2.9 billion

30 day trading volume

Optimism

$120m+

in daily trade volume

Daylight

143GB+

data transferred / mo

Treasure

$200m+

in weekly token volume

POAP
Patricio Worthalter

Patricio Worthalter

Founder, POAP

POAP has explored a variety of data aggregation and delivery services with the goal of offering our collectors a best in class experience. We found in Goldsky an excellent partner that has been able to meet our most demanding requirements in speed, reliability and integrity.

31k+

POAPs minted monthly

Coming Q4 2025

Turbo Pipelines

Powered by Goldsky's new streaming engine. 30X more efficient for real-time vectorized data, on-chain and off.

Instant pipelines

Run pipelines locally, preview changes live, and iterate without waiting for redeploys.

100k records per second

Process 100,000+ RPS with just a single-worker pipeline.

Complete Solana coverage

Access every Solana dataset you need with full historical replay.

OpenTelemetry built-in

Metrics, logs, and traces out of the box. Debug faster and manage BYOC deployments easier.

Unlimited replay window

Reprocess from any point in history. No retention limits or data cutoffs.

Write transforms your way

Build custom domain-specific logic in TypeScript with WebAssembly execution.

Frequently Asked Questions

Goldsky Mirror streams blockchain data directly into your own database or message queue with sub-second latency. Instead of polling APIs, you get a live feed of onchain events delivered to PostgreSQL, Kafka, S3, ClickHouse, and more.

Mirror supports a wide range of destinations including:

  • PostgreSQL, MySQL, and TimescaleDB
  • ClickHouse, Snowflake, and BigQuery
  • Kafka, SQS, and webhooks
  • S3 and Google Cloud Storage
  • Elasticsearch and OpenSearch

Mirror includes self-healing reorg handling out of the box. When a chain reorganization happens, Mirror automatically detects it and updates your data to reflect the canonical chain state. No manual intervention or custom logic required.

Mirror delivers data with sub-second latency at scale. Data arrives in your destination within milliseconds of being confirmed on-chain, keeping your application always up to date.

Yes. Mirror supports SQL and TypeScript transforms that let you filter, reshape, and enrich data before it lands in your destination. You can also use HTTP handlers to call external APIs during processing.

Mirror supports all blockchains available on Goldsky, including Ethereum, Solana, Base, Polygon, Arbitrum, Optimism, and many more. Visit our supported chains page for the full list.

No. Mirror is a fully managed service. Goldsky handles the indexing nodes, data pipelines, and delivery infrastructure. You just configure your pipeline and point it at your destination.

Sign up for a free Goldsky account, then follow our quickstart guide to deploy your first pipeline. Need help? Contact us at [email protected].

Deploy your first pipeline by 12:22

Choose a data source, configure your pipeline, and connect to your favorite data sink in seconds.

Get started for free

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