> For the complete documentation index, see [llms.txt](https://gitbook-docs.coinmetrics.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook-docs.coinmetrics.io/cm-api-spec/meta-data/reference-data/exchange-pair-metrics.md).

# Exchange pair metrics

Returns a list of exchange pair metrics metadata.

```json
{"openapi":"3.0.2","info":{"title":"Coin Metrics API v4","version":"4.0.0"},"tags":[{"name":"Reference Data","description":"Metadata information of entities supported by Coin Metrics.\n\n**Endpoints on this page:**\n- `GET /reference-data/asset-metrics` — Asset metrics\n- `GET /reference-data/assets` — Assets\n- `GET /reference-data/exchange-asset-metrics` — Exchange asset metrics\n- `GET /reference-data/exchange-metrics` — Exchange metrics\n- `GET /reference-data/exchange-pair-metrics` — Exchange pair metrics\n- `GET /reference-data/exchanges` — Exchanges\n- `GET /reference-data/indexes` — Indexes\n- `GET /reference-data/institution-metrics` — Institution metrics\n- `GET /reference-data/market-metrics` — Market metrics\n- `GET /reference-data/markets` — Markets\n- `GET /reference-data/pair-metrics` — Pair metrics\n- `GET /reference-data/pairs` — Pairs\n- `GET /reference-data/protocols` — Protocols"}],"servers":[{"url":"https://api.coinmetrics.io/v4"},{"url":"wss://api.coinmetrics.io/v4"},{"url":"https://community-api.coinmetrics.io/v4"}],"security":[{"api_key":[]}],"components":{"securitySchemes":{"api_key":{"description":"Coin Metrics API key can be specified as `?api_key=` query parameter.","in":"query","name":"api_key","type":"apiKey"}},"parameters":{"CatalogMetric":{"description":"Comma separated list of metrics. By default all metrics are returned.","in":"query","name":"metrics","schema":{"type":"array","items":{"type":"string"}},"explode":false},"PageSize":{"description":"Number of items per single page of results.<br/> The value of this parameter is ignored if the endpoint supports the `format` parameter and its value is set to `json_stream`.","in":"query","name":"page_size","schema":{"default":100,"type":"integer","format":"int32","minimum":1,"maximum":10000}},"PagingFromWithStartByDefault":{"description":"Where does the first page start, at the start of the interval or at the end.<br/> The value of this parameter is ignored if the endpoint supports the `format` parameter and its value is set to `json_stream`.","in":"query","name":"paging_from","schema":{"default":"start","enum":["start","end"],"type":"string","format":"PagingFrom"}},"NextPageToken":{"description":"Token for receiving the results from the next page of a query.<br/> Should not be used directly. To iterate through pages just use `next_page_url` response field.","in":"query","name":"next_page_token","schema":{"type":"string"}},"CatalogResponseFormat":{"description":"Format of the response. Supported values are `json`, `json_stream`.","in":"query","name":"format","schema":{"type":"string","default":"json"}},"Pretty":{"description":"Human-readable formatting of JSON responses.","in":"query","name":"pretty","schema":{"type":"boolean","default":false}}},"responses":{"ReferenceDataExchangePairMetrics":{"description":"List of exchange pair metrics metadata.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ReferenceDataExchangePairMetricsResponse"}}}},"MetricNotFound":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}},"description":"Metric not found."},"Unauthorized":{"description":"Requested resource requires authorization.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"UriTooLong":{"description":"Provided URI is too long. It must not be greater than 10000 symbols."}},"schemas":{"ReferenceDataExchangePairMetricsResponse":{"properties":{"data":{"items":{"$ref":"#/components/schemas/ReferenceDataMetricInfo"},"type":"array"},"next_page_token":{"$ref":"#/components/schemas/NextPageToken"},"next_page_url":{"$ref":"#/components/schemas/NextPageUrl"}},"required":["data"],"type":"object"},"ReferenceDataMetricInfo":{"description":"Metric metadata.","properties":{"metric":{"$ref":"#/components/schemas/MetricId"},"full_name":{"$ref":"#/components/schemas/FullName"},"description":{"$ref":"#/components/schemas/Description"},"product":{"$ref":"#/components/schemas/Product"},"category":{"$ref":"#/components/schemas/Category"},"subcategory":{"$ref":"#/components/schemas/Subcategory"},"unit":{"$ref":"#/components/schemas/Unit"},"data_type":{"$ref":"#/components/schemas/MetricDataType"},"type":{"$ref":"#/components/schemas/MetricType"},"reviewable":{"$ref":"#/components/schemas/Reviewable"},"display_name":{"$ref":"#/components/schemas/DisplayName"},"experimental":{"$ref":"#/components/schemas/ExperimentalMetric"},"constituent_snapshots_url":{"$ref":"#/components/schemas/ConstituentSnapshotsUrl"},"constituent_timeframes_url":{"$ref":"#/components/schemas/ConstituentTimeframesUrl"},"docs_url":{"$ref":"#/components/schemas/DocsUrl"}},"required":["metric","full_name","description","product","category","subcategory","unit","data_type","type"],"type":"object"},"MetricId":{"description":"Name of the metric.","type":"string"},"FullName":{"description":"Human-friendly name.","type":"string"},"Description":{"description":"Human-friendly description.","type":"string"},"Product":{"description":"Associated Product of the metric.","type":"string"},"Category":{"description":"Category of the metric.","type":"string"},"Subcategory":{"description":"Subcategory of the metric.","type":"string"},"Unit":{"description":"Unit of the metric.","type":"string"},"MetricDataType":{"description":"Data Type of the metric. Can be bigint or decimal.<br/>\n\"bigint\" means that you should expect an integer number in a range from -9223372036854775808 to 9223372036854775807.<br/>\n\"decimal\" means that a number can have up to 131072 digits before the decimal point and up to 16383 digits after the decimal point.\n","type":"string"},"MetricType":{"description":"Type of the metric.","type":"string"},"Reviewable":{"description":"Reviewable by human flag.","type":"boolean"},"DisplayName":{"description":"More detailed and human friendly name of a metric.","type":"string"},"ExperimentalMetric":{"description":"If set to true, indicates that metrics collection is under active development - there is a chance of temporary discrepancies in the served dataset.","type":"boolean"},"ConstituentSnapshotsUrl":{"description":"The endpoint URL of the constituent snapshots.","type":"string"},"ConstituentTimeframesUrl":{"description":"The endpoint URL of the constituent timeframes.","type":"string"},"DocsUrl":{"description":"The documentation URL.","type":"string"},"NextPageToken":{"description":"Token of the next page results for a given request.","type":"string"},"NextPageUrl":{"description":"URL of the next page results for a given request.","type":"string"},"ErrorResponse":{"properties":{"error":{"$ref":"#/components/schemas/ErrorObject"}},"required":["error"],"type":"object"},"ErrorObject":{"properties":{"type":{"description":"Error type string. Can be used for error identification.","type":"string"},"message":{"description":"Human-friendly error description. Can be amended without prior notification. Do not use for error identification in your code.","type":"string"}},"required":["type","description"],"type":"object"}}},"paths":{"/reference-data/exchange-pair-metrics":{"get":{"summary":"Exchange pair metrics","description":"Returns a list of exchange pair metrics metadata.","operationId":"getReferenceDataExchangePairMetrics","tags":["Reference Data"],"parameters":[{"$ref":"#/components/parameters/CatalogMetric"},{"$ref":"#/components/parameters/PageSize"},{"$ref":"#/components/parameters/PagingFromWithStartByDefault"},{"$ref":"#/components/parameters/NextPageToken"},{"$ref":"#/components/parameters/CatalogResponseFormat"},{"$ref":"#/components/parameters/Pretty"}],"responses":{"200":{"$ref":"#/components/responses/ReferenceDataExchangePairMetrics"},"400":{"$ref":"#/components/responses/MetricNotFound"},"401":{"$ref":"#/components/responses/Unauthorized"},"414":{"$ref":"#/components/responses/UriTooLong"}}}}}}
```


---

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