What is OrcaTrace?
OrcaTrace is an agent-oriented research API with free discovery and small paid requests. Its distinctive feature is a publicly inspectable whale-calibration scorecard tied to resolved market outcomes, alongside broader signal and deep-research endpoints.
Who it is for
- Developers building research agents
- Users who need occasional intelligence calls without a subscription
- Analysts comparing wallet calls with resolved results
Features and coverage
- Available on
- REST API, x402
- Markets & venues
- Polymarket
- Free previews
Read feed indexes, sample shapes, movers briefs and the track record.
- Signal requests
Retrieve one feed item or a batch.
- Whale calibration
Inspect a table of scored whale calls.
- Digests
Read a current intelligence digest or historical digest records.
- Resolving-market list
Find markets approaching resolution.
- Deep research
Request a single-market research response.
- x402 access
Pay through the supported USDC-on-Base request flow.
Workflows with OrcaTrace
Start a bounded research loop
Read the free brief and samples, identify one relevant market and purchase only the detail needed.
Evaluate a wallet signal
Compare the signal with the calibration record and the underlying market’s resolution.
Prepare a resolution watchlist
Query resolving markets, then request deeper analysis for selected contracts rather than buying research on every result.
Pricing and total cost
No account or API key is required. Paid requests settle in USDC on Base.
Signal
$0.01 per item / $0.03 per batch
- Feed items
Whale table
$0.05 per call
- Calibration table
Digest
$0.10 per call
- Current intelligence digest
Deep research
$1 per call
- Single-market research
Fees and usage costs
- Resolving-market lists cost $0.02; historical digests cost $0.05. Discovery and track-record routes are free.
Getting started
Before you start: The per-call payment model makes a long autonomous research loop accumulate many separate charges.
- Read the free sample shapes and endpoint index.
- Choose the endpoint and expected cost.
- Configure a compatible x402 client for Base USDC.
- Request one bounded result.
- Retain its source and market identifiers.
- Track total research spend across calls.
Useful links
What to check
- The per-call payment model makes a long autonomous research loop accumulate many separate charges.
- A calibration scorecard concerns past logged calls, not every future wallet trade.
- Deep research and digest responses are different products from the underlying feed items.
- This API returns intelligence; it is not an order-execution service.
A closer look
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Browse categoryFrequently asked questions about OrcaTrace
Is an API key required?
The documented flow uses x402 payments rather than an account key.
What can I inspect for free?
The index, sample shapes, brief previews and whale track record.
How much is a deep dive?
The listed single-market research call costs $1.
Can it place orders?
Its listed endpoints provide research and signals.


