Submit a signed Denpa message

POST

/api/protocol/v1/messages

• Protocol hub (Next.js) — federation, writes, receipts, market context

No bearer: the Ed25519 signature is the credential. Verified for shape, freshness (±5 min), signature, active signer, app grant + scope, nonce uniqueness; recorded; executed when the type is executable (signal.create, prediction.create, profile.update). docs/protocol/MESSAGES.md.

Request Body ^required

object

version

required

integer

Allowed value: 1

type

required

string

Allowed values: profile.update station.create station.update broadcast.create broadcast.goLive signal.create prediction.create market.create resolution.create

denpaId

required

string

appId

required

string | null

timestamp

required

integer

nonce

required

string

>= 16 characters

payload

required

object

signer

required

object

kind

string

Allowed value: ed25519

publicKey

string

signature

required

string

Responses

201

Receipt

object

id

string

uri

string

type

string

executed

boolean

resultRef

string

result

400

invalid_message (error_description names the check)

object

error

required

Stable machine-readable code (snake_case) or a short reason.

string

message

string

key

additional properties

any

403

unknown_signer / grant_revoked / insufficient_scope

object

error

required

Stable machine-readable code (snake_case) or a short reason.

string

message

string

key

additional properties

any

409

replay

object

error

required

Stable machine-readable code (snake_case) or a short reason.

string

message

string

key

additional properties

any

429

Rate_limited

object

error

required

Stable machine-readable code (snake_case) or a short reason.

string

message

string

key

additional properties

any