Event, market, and outcome identifiers
Document the current provider behavior, required permissions, environment differences, failure cases, and evidence before treating this capability as production-ready.
PREDICTION-MARKET RESEARCH
Polymarket Prediction Trader API
A neutral developer checklist for researching Polymarket-related market data, event contracts, outcomes, order books, trading workflows, and settlement information.
Independent platform overview
How to evaluate this Trader API
A neutral developer checklist for researching Polymarket-related market data, event contracts, outcomes, order books, trading workflows, and settlement information.
TraderAPI.com does not represent this platform and does not imply an official partnership. This page organizes engineering questions so a team can compare documentation, sandbox behavior, account requirements, and operational controls using its own evidence.
Begin by writing the exact market-data, account, or order workflow the application needs. Confirm current product names, eligibility, permissions, pricing, rate limits, and regional availability directly with official sources. Treat every unverified feature as an open question rather than a promise.
Evaluation recordVERIFY
{
"platform": "Polymarket Prediction Trader API",
"relationship": "independent research",
"status": "verify official docs",
"workflow": "define before testing",
"evidence": ["documentation", "sandbox", "logs"],
"production_ready": false
}
Engineering review
Six areas to verify
Use these categories to turn a broad platform review into a repeatable technical decision.
Question and resolution rules
Document the current provider behavior, required permissions, environment differences, failure cases, and evidence before treating this capability as production-ready.
Price and order-book semantics
Document the current provider behavior, required permissions, environment differences, failure cases, and evidence before treating this capability as production-ready.
Streaming and historical data
Document the current provider behavior, required permissions, environment differences, failure cases, and evidence before treating this capability as production-ready.
Order and position lifecycle
Document the current provider behavior, required permissions, environment differences, failure cases, and evidence before treating this capability as production-ready.
Access, jurisdiction, and risk
Document the current provider behavior, required permissions, environment differences, failure cases, and evidence before treating this capability as production-ready.
Due diligence
Questions for the proof of concept
- How are events, markets, outcome tokens, and rules connected?
- Which price represents the bid, ask, last trade, or midpoint?
- How are paused, closed, resolved, disputed, or void states represented?
- What sequence and recovery process keeps order-book state complete?
- What access and compliance conditions apply to the intended user?
Test normal activity and failure states. Include invalid instruments, unavailable data, permission errors, throttling, session expiry, disconnects, uncertain order submissions, duplicate events, and state reconciliation. Record raw responses with secrets removed.
Architecture pattern
Keep the provider behind an internal adapter
Expose a provider-neutral model to the rest of the application. The adapter can translate instruments, requests, errors, stream events, and order states while preserving the raw provider identifiers needed for support and reconciliation. This boundary reduces migration cost and keeps strategy code from depending on undocumented behavior.
Place credential storage, authorization, risk checks, idempotency, monitoring, and audit logs outside the platform-specific client. A provider SDK can simplify transport, but it does not replace application controls.
Production readiness means the team can explain how the integration behaves when data is missing, requests time out, and local state disagrees with the provider.