---
openapi: post /svc.v1.Msg/UpdateParams
title: Update SVC Module Parameters
description: Configure service registration limits, domain verification, and UCAN settings
og:title: SVC Module Governance
---

<Warning>
  This operation requires **governance approval** and is typically executed through on-chain proposals.
</Warning>

## Parameter Categories

### Service Limits
- **maxServicesPerAccount**: Services per account limit (default: 100)
- **maxDomainsPerService**: Domains per service limit (default: 5)
- **maxEndpointsPerService**: Endpoints per service limit (default: 10)

### Domain Verification
- **domainVerificationTimeout**: Time allowed for DNS verification (default: 7 days)
- **requireDomainOwnershipProof**: Cryptographic proof requirement
- **allowLocalhost**: Development mode with localhost support

### UCAN Configuration
- **maxDelegationChainDepth**: Maximum delegation depth (default: 10)
- **ucanMaxLifetime**: Maximum token lifetime (30 days)
- **supportedSignatureAlgorithms**: EdDSA, ES256, RS256

### Fee Structure
- **serviceRegistrationFee**: Fee for new service registration
- **domainVerificationFee**: Fee for domain verification
- **minServiceStake**: Minimum stake to maintain service

<Note>
  Changes affect all service operations network-wide. Plan parameter updates carefully.
</Note>
