A Polymarket bot that runs 24/7 needs more than a loop that submits orders. It needs separate services for market discovery, live data, authentication, order handling and position checks, plus a plan for stale data, disconnections, throttling and rejected requests. Polymarket’s documentation describes the interfaces and constraints; it does not prescribe a hosting setup or guarantee uptime, execution or profit.
What a continuously running bot has to do
A useful way to think about the bot is as an operational service with a trading strategy inside it. The strategy decides what to do; the surrounding system must ensure it is acting on the right market, using current information, submitting valid orders and reconciling what actually happened.
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- Find and identify markets: retrieve event and market metadata, then select the correct outcome identifier.
- Observe the market: obtain an initial book snapshot and track subsequent updates.
- Authenticate safely: create or derive credentials using the appropriate wallet flow and sign orders.
- Manage orders: submit, cancel or replace orders within market rules and API limits.
- Reconcile account state: confirm order events, fills and resulting positions rather than treating a successful request as proof of a settled trade.
- Recover deliberately: detect stale feeds and failed requests, reconnect, and compare local state with authoritative API state.
The last item is an engineering requirement for a dependable service, not a recovery algorithm specified by Polymarket’s documentation.
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Polymarket exposes multiple API surfaces because market discovery, trading and account history are different jobs. Its SDKs provide a unified interface and handle common concerns such as pagination, errors and wallet setup, but they do not remove the need to understand the underlying states.
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| Interface | Use | Operational consideration |
|---|---|---|
| Gamma API | Discover events and markets; retrieve metadata. | Use metadata to select the right market and outcome before trading. |
| CLOB REST API | Retrieve books and prices; manage orders. | Respect market parameters and endpoint limits. |
| Data API | Retrieve positions and activity. | Use account data to reconcile what the bot believes happened. |
| Market WebSocket | Receive public market data and lifecycle updates. | Maintain the documented application heartbeat and detect stale or interrupted feeds. |
| User WebSocket | Receive authenticated account order and trade events. | Keep it distinct from the public market stream; reconcile after interruptions. |
Resolve identifiers before creating an order
Do not assume every outcome identifier has the same meaning across markets. Polymarket’s first-order guide distinguishes a CTF market’s token ID from a Protocol V2 market’s position ID. Resolve the market version and relevant outcome from current metadata instead of hard-coding an identifier format.
Use snapshots and streams for different purposes
A CLOB REST request can provide a book snapshot; the market WebSocket can then provide live updates. The authenticated user channel is separate and reports account order and trade events. On a reconnect, compare current API state with the bot’s stored state before acting on assumptions made while disconnected. The documentation describes the interfaces but does not prescribe a particular local-state or reconciliation design.
How authentication and wallet setup affect operation
Polymarket documents two authentication layers for private CLOB access. L1 uses an EIP-712 wallet signature to attest control of a wallet and create or derive CLOB credentials. L2 uses API credentials and HMAC-SHA256 to authenticate private requests. Orders are also authorized with a wallet signature.
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Wallet type matters to the setup. Polymarket identifies Deposit Wallets, legacy Proxy Wallets and legacy Safe Wallets. Its wallet documentation says accounts deployed on or after May 4, 2026 use Deposit Wallets. Deposit Wallet owners can authorize a separate signer with scoped, time-limited session-key access. Confirm which wallet flow applies to the account; a working setup for one wallet type should not be presumed to work for another.
Signing keys and API secrets are sensitive credentials. Restrict who and what can access them, keep them out of logs, and plan how to replace credentials if they are exposed. These are operational security practices, not a claim that the platform mandates a particular secrets-management product.
How to keep market data and account state trustworthy
Meet the market WebSocket heartbeat requirement
Polymarket’s Real-Time Data documentation states: “The market WebSocket uses an application-level heartbeat. Send the text frame PING every 10 seconds; the server replies with PONG.” This is a requirement for the market WebSocket, not a general heartbeat instruction for every connection.
Detect stale data and reconnect safely
A socket that remains open is not necessarily delivering usable updates. Track whether expected data is arriving and avoid basing new orders on a feed known to be stale. If the connection drops, reconnect and refresh the book and relevant account state before resuming decisions that depend on them. The official documentation specifies the heartbeat but does not provide a complete reconnection or reconciliation design.
Separate order submission, matching and settlement
A successful order request, a match and a settled position are distinct events. The CLOB documentation lists live for an order resting on the book, matched for an order matched against resting liquidity, and delayed for a marketable order subject to a matching delay. Inspect the response status and identifiers, then use account events and position data to verify the result. Polymarket’s first-order guide notes that settlement happens asynchronously after a match and checks the resulting position; do not treat submission alone as confirmation of an executed, settled position.
What order rules the bot must enforce
Order validity depends on the market’s current parameters. Before submitting limit orders, use that market’s minimum price increment and minimum order size. Avoid assuming a single tick size or minimum applies everywhere.
- GTD orders: Polymarket’s order documentation says they expire one minute before the specified time and must be set at least three minutes ahead. Account for both conditions when choosing an expiration.
- Post-only orders: an order that would match immediately is rejected, preserving the maker-only instruction.
- Marketable orders: an unfilled remainder can be canceled. The requested size is not proof that the full size traded.
- Resting orders: decide how the bot will detect, cancel or replace an order that remains on the book as market conditions change.
These behaviors make order status and subsequent account-state checks part of the trading logic, not optional monitoring.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How rate limits constrain polling and order churn
Polymarket’s rate-limit documentation says Cloudflare applies IP-based throttling with sliding windows, while CLOB order and cancellation calls also have separate per-signer limits. The following endpoint figures are values shown on the official page as accessed October 7, 2026; they can change and are not a service guarantee.
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| Endpoint | Published limit | Qualification |
|---|---|---|
GET /book |
1,500 requests per 10 seconds | Polymarket documentation, accessed October 7, 2026. |
GET /books |
500 requests per 10 seconds | Polymarket documentation, accessed October 7, 2026. |
POST /order |
5,000 requests per 10 seconds burst; 120,000 requests per 10 minutes sustained | Polymarket documentation, accessed October 7, 2026. |
POST /orders |
2,000 requests per 10 seconds burst; 21,000 requests per 10 minutes sustained | Polymarket documentation, accessed October 7, 2026. |
Do not design around maximum throughput as a target. Avoid unnecessary polling and order replacement, handle throttling with backoff, and check current official limits before deployment. These published figures do not establish how much traffic a particular bot can sustain in practice.
How geographic restrictions affect order placement
Market-data access does not establish that order placement is available from a particular location. Polymarket’s geographic restrictions distinguish blocked jurisdictions from close-only restrictions, and say restrictions are based on the requesting location. Its documented eligibility check is https://polymarket.com/api/geoblock. Check the current official restrictions for the actual deployment location; a blocked request may be rejected, while a close-only restriction may limit activity to closing existing positions.
Choose an operating setup around failure handling
Polymarket does not prescribe a hosting architecture. Choose an arrangement the operator can monitor and recover, rather than treating a running process as evidence of reliable trading.
| Decision | Trade-off to assess |
|---|---|
| Hosted server or self-hosted machine | Who is responsible for hardware and network availability, and who can monitor and recover the process? |
| Owner key or scoped signer/session key | Convenience versus exposure and delegated-permission limits; support depends on wallet type. |
| REST polling or WebSocket updates | Polling is simpler to reason about; streams offer updates but require connection and freshness management. Either approach must respect rate limits and recover from failures. |
| GTC/GTD resting order or marketable order | Resting orders can persist on the book and support maker intent; marketable orders seek liquidity but may leave an unfilled remainder canceled. |
These are operational trade-offs, not claims about returns or execution quality. The platform documentation does not select a host, promise a particular uptime level, or establish that a connected bot is profitable.
What 24/7 operation does not solve
Keeping software online does not eliminate market risk, guarantee a fill or make a strategy profitable. Polymarket describes outcome shares, counterparties and settlement; none of those mechanics makes API connectivity an investment edge. Strategy design, capital allocation and risk limits require decisions beyond the platform’s operational documentation. A bot should have explicit rules for whether it may continue trading when data is stale, its account state cannot be reconciled, requests are throttled, or its location is not eligible to place orders.
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