Changes to Supported chains and tokens

the x-api-version request header's property undefined was restricted to a list of enum values

the header request parameter x-api-version was restricted to a list of enum values

the header request parameter x-api-version became required

api operation id listChains was added

added the new enum value 2026-01.alps to the header request parameter x-api-version

removed the pattern ^\d{4}-\d{2}\.[a-z0-9]+$ from the header request parameter x-api-version

added the non-success response with the status 400

added the new optional header request parameter x-api-version

response property additionalProperties/supportedTokens list-of-types was widened by adding types string to media type application/json of response 200

removed the required property additionalProperties/settlementLayers from the response with the 200 status

removed the required property additionalProperties/supportsSwaps from the response with the 200 status

added the required property additionalProperties/testnet to the response with the 200 status

removed the required property additionalProperties/testnet from the response with the 200 status

added the required property additionalProperties/testnet to the response with the 200 status

added the new OFT enum value to the additionalProperties/settlementLayers/items response property for the response status 200

added the required property additionalProperties/supportsSwaps to the response with the 200 status

endpoint added