Errors

HTTP status codes the SovAds API returns.

Code	Meaning
`400`	Validation failure — bad address, missing required field, amount below minimum.
`401`	Wallet does not own the referenced campaign / publisher record.
`403`	HMAC signature invalid or replay window exceeded (webhook routes).
`409`	`claimRef` already used, or `externalRef` already credited.
`503`	Operator not configured / not whitelisted on-chain. Retry later.

Auth model

How wallets, fingerprints, and operator signatures authorise requests.

Glossary

Terms used across the SovAds protocol.