diff --git a/packages/api-client/src/types/errors.ts b/packages/api-client/src/types/errors.ts
new file mode 100644
index 00000000..45c92bcc
--- /dev/null
+++ b/packages/api-client/src/types/errors.ts
@@ -0,0 +1,66 @@
+export enum CobaltAuthError {
+    JWTMissing = 'error.api.auth.jwt.missing',
+    JWTInvalid = 'error.api.auth.jwt.invalid',
+    TurnstileMissing = 'error.api.auth.turnstile.missing',
+    TurnstileInvalid = 'api.auth.turnstile.invalid'
+};
+
+export enum CobaltReachabilityError {
+    Unreachable = 'error.api.unreachable',
+    TimedOut = 'error.api.timed_out',
+    RateExceeded = 'error.api.rate_exceeded',
+    AtCapacity = 'error.api.capacity'
+};
+
+export enum CobaltGenericError {
+    Generic = 'error.api.generic',
+    UnknownResponse = 'error.api.unknown_response'
+};
+
+export enum CobaltServiceError {
+    Unsupported = 'error.api.service.unsupported',
+    Disabled = 'error.api.service.disabled'
+};
+
+export enum CobaltLinkError {
+    Invalid = 'error.api.link.invalid',
+    FormatUnsupported = 'error.api.link.unsupported'
+};
+
+export enum CobaltProcessingError {
+    Fail = 'error.api.fetch.fail',
+    Critical = 'error.api.fetch.critical',
+    Empty = 'error.api.fetch.empty',
+    RateLimited = 'error.api.fetch.rate',
+    ShortLink = 'error.api.fetch.short_link'
+};
+
+export enum CobaltContentError {
+    TooLong = 'error.api.content.too_long',
+
+    VideoUnavailable = 'error.api.content.video.unavailable',
+    VideoIsLive = 'error.api.content.video.live',
+    VideoIsPrivate = 'error.api.content.video.private',
+    VideoIsAgeRestricted = 'error.api.content.video.age',
+    VideoIsRegionRestricted = 'error.api.content.video.region',
+
+    PostUnavailable = 'error.api.content.post.unavailable',
+    PostIsPrivate = 'error.api.content.post.private',
+    PostIsAgeRestricted = 'error.api.content.post.age',
+};
+
+export enum CobaltYouTubeError {
+    MissingCodec = 'error.api.youtube.codec',
+    CannotDecipher = 'error.api.youtube.decipher',
+    MissingLogin = 'error.api.youtube.login',
+    TokenExpired = 'error.api.youtube.token_expired'
+}
+
+export type CobaltAPIError = CobaltAuthError
+                           | CobaltReachabilityError
+                           | CobaltGenericError
+                           | CobaltServiceError
+                           | CobaltLinkError
+                           | CobaltProcessingError
+                           | CobaltContentError
+                           | CobaltYouTubeError;