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Elgon

the data layer for robinhood

Market data for the Robinhood surface — delayed quotes for stocks, ETFs and crypto, plus sandbox options and prediction feeds — through one low-latency API, with signed, timestamped, tamper-evident receipts you can verify yourself.

Delayed data
Verifiable
Low-latency
Most API traffic is reads — idempotent, cacheable, parallelizable. The right wedge for a low-latency, distributed data API.

Trading systems and agents are read-heavy: they watch the market before acting, at high volume, and need verifiable answers.

Read latency is dominated by network distance. A geo-distributed API is structurally faster than a single endpoint.

Stale or wrong data is detectable cheaply and contractually accountable. The auditor fires a probe with a known answer.

Every response is bound to a hashed data commitment — cryptographically checkable. Every read carries a signed, timestamped receipt.

The feed is SLA-backed; proven stale-or-wrong data triggers contractual accountability.

Data-integrity proofs
Known-answer audits
Signed receipts
SLA guarantees
Uptime SLAs
Tiered rate limits
API key tiers
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Live endpoint with verifiable reads

A real read against the live Robinhood market feed. Real Answer + Timestamp + a Receipt you verify yourself.

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API quickstart & access

Spin up sandbox and production keys in minutes. Call the REST endpoints and start pulling verified market data right away.

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API plans & keys

Pick a plan and generate an API key. Your plan sets your rate-limit tier across every endpoint.

LIVE ENDPOINTsandbox
GET /api/v1/quotes?symbol=AAPL&key=elgon_sandbox_pub
Answer
Waiting for live response…
Timestamp
Receipt sha256
Raw JSON response

Live call to the Elgon sandbox API. Values are clearly-labeled sandbox data (the response’s source field) — deterministic samples, not real market prices.

Data across the Robinhood crypto ecosystem

One low-latency API for market data on brands and venues across the Robinhood crypto ecosystem. Elgon is an independent project, not affiliated with Robinhood:

Global crypto exchange data — order books, pairs and trade history.

Canadian crypto trading data — quotes, pairs and volumes.

Canadian exchange market data and broad asset coverage.

Crypto price discovery, order-book depth, and asset data.

Built for real market-data use cases

See how teams can use Elgon's market data across trading, crypto, and Robinhood-surface apps.

Robinhood-surface teams need fast quote, position, and market data without maintaining their own market-data pipelines.

"Elgon gives builders a clean data layer for discovery, charts, and market context across high-throughput trading apps."

Robinhood-surface use case

Crypto apps need reliable asset discovery, reference data, and trading signals the moment markets move.

"Elgon keeps crypto experiences responsive with price context and market data built for fast-moving markets."

Crypto data use case

Trading apps need fresh market data, portfolio context, and quote analytics for active users.

"Elgon gives options and trading interfaces a unified source for prices, quotes, and historical data without a custom market-data stack."

Trading data use case