Mint an NFT under a collection

Builds an unsigned tx that mints a fresh mpl-core asset into the supplied collection. The payer wallet must sign; mode=signed is rejected.

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Body Params
string
required
^[1-9A-HJ-NP-Za-km-z]{32,44}$

Wallet paying for and receiving the mint; signs the returned tx.

string
required
length between 1 and 64
string
required
^[1-9A-HJ-NP-Za-km-z]{32,44}$
string
required
length between 1 and 64
uri
required

Off-chain metadata URI.

string
enum
Defaults to unsigned

unsigned returns a base64 VersionedTransaction the client signs; signed has the server sign + submit via Privy (requires the relevant *:signed scope).

Allowed:
string
length between 1 and 128
^[A-Za-z0-9_\-.:]+$

Optional client-supplied identifier echoed on the response. Prefer metadata for richer reconciliation.

metadata
object

Free-form string key/value bag echoed back on responses and webhook events.

Headers
string
length between 1 and 128

Optional client-supplied request ID, echoed in X-Request-Id response header.

string
length between 1 and 255

Client-supplied key (UUID v4 recommended) for safe write retries. Server stores (key, request_hash, response) and replays. Reusing with a different body returns 409 idempotency_conflict.

Responses

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Response
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