ENTSO-E · Rate Limits

Entso E Rate Limits

The ENTSO-E Transparency Platform publishes explicit, numeric limits in its RESTful API user guide. Request rate is capped at 400 requests per minute, counted per IP address AND per security token; crossing the cap earns a temporary 10-minute ban, during which requests receive HTTP 429 with the message "Max allowed requests per minute from each unique IP is max up to 400 only". Independent of rate, each query is bounded in size - standard (table) data items such as day-ahead prices, load, and generation allow at most a one-year range per request, while document-based (curve) items such as outages and capacity allocations return at most 100 documents per request (200 for outages), with an offset parameter (0-4800) on some items allowing paging up to 4,900 documents. Over-limit queries are rejected with an Acknowledgement_MarketDocument explaining the reason.

Entso E Rate Limits is the machine-readable rate-limit profile for ENTSO-E on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 5 rate-limit definitions, measuring requests, time-range, and documents.

The profile also includes 3 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include Electricity, Energy Markets, Day-Ahead Prices, Balancing, and Rate Limiting.

5 Limits Throttle: 429
ElectricityEnergy MarketsDay-Ahead PricesBalancingRate LimitingQuotas

Limits

API Request Rate ip-address-and-token
requests
400 per minute
Counted per unique IP address and per security token. Exceeding the cap results in a temporary ban of 10 minutes; banned requests receive HTTP 429 Too Many Requests.
Standard Data Item Query Range request
time-range
one year
Applies to table-style data items (day-ahead prices A44, load A65, generation A75, balancing A82-A86, flows A11, and most others). Longer ranges are rejected with an Acknowledgement_MarketDocument.
Document-Based Query Size request
documents
100
Curve-type data items (capacity allocations, contracted reserves, procured balancing capacity) return at most 100 published documents per request; one platform table row corresponds to one document.
Outage Query Size request
documents
200
The document limit is raised to 200 per request for outage (unavailability) data items.
Offset Paging request
documents
offset 0-4800 (max 4,900 documents per query)
Items that support the offset parameter page in steps of the document limit; offset=n returns documents n+1 onward, restricted so a query can reach at most 4,900 documents.

Policies

Temporary Ban
Exceeding 400 requests/minute triggers a 10-minute ban keyed to the IP address / security token, served as HTTP 429.
Rejection as Acknowledgement Document
Requests over the range or document limits, with missing/duplicate parameters, or matching no data are answered with an IEC 62325 Acknowledgement_MarketDocument carrying a Reason code (999 = no matching data found) rather than a JSON error.
Backoff Strategy
Clients should self-throttle below 400 requests/minute, wait out the full 10-minute ban on 429 (retrying during the ban extends nothing), and split large historical pulls into one-year (or smaller) consecutive windows.

Sources