# Risk score Use risk score operations to configure blocklists based on transaction risk factors. ## Retrieve risk score rules - [GET /risk-score-rules](https://www.rebilly.com/static/_spec/catalog/all-3.0/risk-score/getriskscorerules.md): Retrieves risk score rules. ## Modify risk score rules - [PUT /risk-score-rules](https://www.rebilly.com/static/_spec/catalog/all-3.0/risk-score/putriskscorerules.md): Modifies risk score rules. ## Retrieve risk score blocklist rules - [GET /risk-score-rules/blocklists](https://www.rebilly.com/static/_spec/catalog/all-3.0/risk-score/getriskscoreblocklistrules.md): Retrieves risk score blocklist rules. ## Modify risk score blocklist rules - [PUT /risk-score-rules/blocklists](https://www.rebilly.com/static/_spec/catalog/all-3.0/risk-score/putriskscoreblocklistrules.md): Modifies risk score blocklist rules.