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# Function: importSPKI
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â–¸ **importSPKI**(`spki`, `alg`, `options?`): `Promise`<[`KeyLike`](../types/types.KeyLike.md)\>
Imports a PEM-encoded SPKI string as a runtime-specific public key representation (KeyObject or
CryptoKey). See [Algorithm Key Requirements](https://github.com/panva/jose/issues/210) to learn
about key to algorithm requirements and mapping.
**`example`** Usage
```js
const algorithm = 'ES256'
const spki = `-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEFlHHWfLk0gLBbsLTcuCrbCqoHqmM
YJepMC+Q+Dd6RBmBiA41evUsNMwLeN+PNFqib+xwi9JkJ8qhZkq8Y/IzGg==
-----END PUBLIC KEY-----`
const ecPublicKey = await jose.importSPKI(spki, algorithm)
```
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `spki` | `string` | - |
| `alg` | `string` | JSON Web Algorithm identifier to be used with the imported key. |
| `options?` | [`PEMImportOptions`](../interfaces/key_import.PEMImportOptions.md) | - |
#### Returns
`Promise`<[`KeyLike`](../types/types.KeyLike.md)\>
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