Retrieve rewards and APR statistics for a delegator with the stake.fish validator.

Stats Include:

• Current estimated APR based on validator performance
• Pending rewards available for claiming
• Total delegated amount
• Delegated amount in POL format

APR Calculation:

• Estimated based on validator commission and typical Polygon yields
• Current data only (no historical time windows)

Use Cases:

• Display delegator's current pending rewards
• Show estimated APR for staking decisions
• Monitor validator performance

Note: For delegation amounts and unbonding information, use the /stakes/:address endpoint