diff --git a/apify-api/openapi/components/responses/Conflict.yaml b/apify-api/openapi/components/responses/Conflict.yaml
index ec188a81ea..dd52b23f6b 100644
--- a/apify-api/openapi/components/responses/Conflict.yaml
+++ b/apify-api/openapi/components/responses/Conflict.yaml
@@ -5,5 +5,5 @@ content:
       $ref: ../schemas/common/ErrorResponse.yaml
     example:
       error:
-        type: record-not-unique
+        type: actor-name-not-unique
         message: Record with the given name already exists.
diff --git a/apify-api/openapi/components/responses/Forbidden.yaml b/apify-api/openapi/components/responses/Forbidden.yaml
index 4da651b06e..01f28fceef 100644
--- a/apify-api/openapi/components/responses/Forbidden.yaml
+++ b/apify-api/openapi/components/responses/Forbidden.yaml
@@ -5,5 +5,5 @@ content:
       $ref: ../schemas/common/ErrorResponse.yaml
     example:
       error:
-        type: permission-denied
+        type: insufficient-permissions
         message: You do not have permission to perform this action.
diff --git a/apify-api/openapi/components/responses/Unauthorized.yaml b/apify-api/openapi/components/responses/Unauthorized.yaml
index f247217685..3b597ba814 100644
--- a/apify-api/openapi/components/responses/Unauthorized.yaml
+++ b/apify-api/openapi/components/responses/Unauthorized.yaml
@@ -5,5 +5,5 @@ content:
       $ref: ../schemas/common/ErrorResponse.yaml
     example:
       error:
-        type: token-not-valid
+        type: invalid-token
         message: Authentication token is not valid.
diff --git a/apify-api/openapi/components/schemas/common/ErrorType.yaml b/apify-api/openapi/components/schemas/common/ErrorType.yaml
index 44c593e8fd..c6e517d08d 100644
--- a/apify-api/openapi/components/schemas/common/ErrorType.yaml
+++ b/apify-api/openapi/components/schemas/common/ErrorType.yaml
@@ -2,24 +2,391 @@ title: ErrorType
 type: string
 description: Machine-processable error type identifier.
 enum:
+  - 3d-secure-auth-failed
+  - access-right-already-exists
+  - action-not-found
+  - actor-already-rented
+  - actor-can-not-be-rented
+  - actor-disabled
+  - actor-is-not-rented
   - actor-memory-limit-exceeded
+  - actor-name-exists-new-owner
+  - actor-name-not-unique
   - actor-not-found
+  - actor-not-github-actor
+  - actor-not-public
+  - actor-permission-level-not-supported-for-agentic-payments
+  - actor-review-already-exists
+  - actor-run-failed
+  - actor-standby-not-supported-for-agentic-payments
+  - actor-task-name-not-unique
+  - agentic-payment-info-retrieval-error
+  - agentic-payment-information-missing
+  - agentic-payment-insufficient-amount
+  - agentic-payment-provider-internal-error
+  - agentic-payment-provider-unauthorized
+  - airtable-webhook-deprecated
+  - already-subscribed-to-paid-actor
+  - apify-plan-required-to-use-paid-actor
+  - apify-signup-not-allowed
+  - auth-method-not-supported
+  - authorization-server-not-found
+  - auto-issue-date-invalid
+  - background-check-required
+  - billing-system-error
+  - black-friday-plan-expired
+  - braintree-error
+  - braintree-not-linked
+  - braintree-operation-timed-out
+  - braintree-unsupported-currency
+  - build-not-found
+  - build-outdated
+  - cannot-add-apify-events-to-ppe-actor
+  - cannot-add-multiple-pricing-infos
+  - cannot-add-pricing-info-that-alters-past
+  - cannot-add-second-future-pricing-info
+  - cannot-build-actor-from-webhook
+  - cannot-change-billing-interval
+  - cannot-change-owner
+  - cannot-charge-apify-event
+  - cannot-charge-non-pay-per-event-actor
+  - cannot-comment-as-other-user
+  - cannot-copy-actor-task
+  - cannot-create-payout
+  - cannot-create-public-actor
+  - cannot-create-tax-transaction
+  - cannot-delete-critical-actor
+  - cannot-delete-invoice
+  - cannot-delete-paid-actor
+  - cannot-disable-one-time-event-for-apify-start-event
+  - cannot-disable-organization-with-enabled-members
+  - cannot-disable-user-with-subscription
+  - cannot-link-oauth-to-unverified-email
+  - cannot-metamorph-to-pay-per-result-actor
+  - cannot-modify-actor-pricing-too-frequently
+  - cannot-modify-actor-pricing-with-immediate-effect
+  - cannot-override-paid-actor-trial
+  - cannot-permanently-delete-subscription
+  - cannot-publish-actor
+  - cannot-reduce-last-full-token
+  - cannot-reimburse-more-than-original-charge
+  - cannot-reimburse-non-rental-charge
+  - cannot-remove-own-actor-from-recently-used
+  - cannot-remove-payment-method
+  - cannot-remove-pricing-info
+  - cannot-remove-running-run
+  - cannot-remove-user-with-public-actors
+  - cannot-remove-user-with-subscription
+  - cannot-remove-user-with-unpaid-invoice
+  - cannot-rename-env-var
+  - cannot-rent-paid-actor
+  - cannot-review-own-actor
+  - cannot-set-access-rights-for-owner
+  - cannot-set-is-status-message-terminal
+  - cannot-unpublish-critical-actor
+  - cannot-unpublish-paid-actor
+  - cannot-unpublish-profile
+  - cannot-update-invoice-field
+  - concurrent-runs-limit-exceeded
+  - concurrent-update-detected
+  - conference-token-not-found
+  - content-encoding-forbidden-for-html
+  - coupon-already-redeemed
+  - coupon-expired
+  - coupon-for-new-customers
+  - coupon-for-subscribed-users
+  - coupon-limits-are-in-conflict-with-current-limits
+  - coupon-max-number-of-redemptions-reached
+  - coupon-not-found
+  - coupon-not-unique
+  - coupons-disabled
+  - create-github-issue-not-allowed
+  - creator-plan-not-available
+  - cron-expression-invalid
+  - daily-ai-token-limit-exceeded
+  - daily-publication-limit-exceeded
+  - dataset-does-not-have-fields-schema
+  - dataset-does-not-have-schema
+  - dataset-locked
+  - dataset-schema-invalid
+  - dcr-not-supported
+  - default-dataset-not-found
+  - deleting-default-build
+  - deleting-unfinished-build
+  - email-already-taken
+  - email-already-taken-removed-user
+  - email-domain-not-allowed-for-coupon
+  - email-invalid
+  - email-not-allowed
+  - email-not-valid
+  - email-update-too-soon
+  - elevated-permissions-needed
+  - env-var-already-exists
+  - exchange-rate-fetch-failed
+  - expired-conference-token
+  - failed-to-charge-user
+  - final-invoice-negative
+  - github-branch-empty
+  - github-issue-already-exists
+  - github-public-key-not-found
+  - github-repository-not-found
+  - github-signature-does-not-match-payload
+  - github-user-not-authorized-for-issues
+  - gmail-not-allowed
+  - id-does-not-match
+  - incompatible-billing-interval
+  - incomplete-payout-billing-info
+  - inconsistent-currencies
+  - incorrect-pricing-modifier-prefix
+  - input-json-invalid-characters
+  - input-json-not-object
+  - input-json-too-long
+  - input-update-collision
+  - insufficient-permissions
+  - insufficient-permissions-to-change-field
+  - insufficient-security-measures
+  - insufficient-tax-country-evidence
+  - integration-auth-error
+  - internal-server-error
+  - invalid-billing-info
+  - invalid-billing-period-for-payout
+  - invalid-build
+  - invalid-client-key
+  - invalid-collection
+  - invalid-conference-login-password
+  - invalid-content-type-header
+  - invalid-credentials
+  - invalid-git-auth-token
+  - invalid-github-issue-url
+  - invalid-header
+  - invalid-id
+  - invalid-idempotency-key
   - invalid-input
+  - invalid-input-schema
+  - invalid-invoice
+  - invalid-invoice-type
+  - invalid-issue-date
+  - invalid-label-params
+  - invalid-main-account-user-id
+  - invalid-oauth-app
+  - invalid-oauth-scope
+  - invalid-one-time-invoice
+  - invalid-parameter
+  - invalid-payout-status
+  - invalid-picture-url
+  - invalid-record-key
+  - invalid-request
+  - invalid-resource-type
+  - invalid-signature
+  - invalid-subscription-plan
+  - invalid-tax-number
+  - invalid-tax-number-format
+  - invalid-token
+  - invalid-token-type
+  - invalid-two-factor-code
+  - invalid-two-factor-code-or-recovery-code
+  - invalid-two-factor-recovery-code
+  - invalid-username
+  - invalid-value
+  - invitation-invalid-resource-type
+  - invitation-no-longer-valid
+  - invoice-canceled
+  - invoice-cannot-be-refunded-due-to-too-high-amount
+  - invoice-incomplete
+  - invoice-is-draft
+  - invoice-locked
+  - invoice-must-be-buffer
+  - invoice-not-canceled
+  - invoice-not-draft
+  - invoice-not-found
+  - invoice-outdated
+  - invoice-paid-already
+  - issue-already-connected-to-github
+  - issue-not-found
+  - issues-bad-request
+  - issuer-not-registered
+  - job-finished
+  - label-already-linked
+  - last-api-token
+  - limit-reached
+  - max-items-must-be-greater-than-zero
+  - max-metamorphs-exceeded
+  - max-total-charge-usd-below-minimum
+  - max-total-charge-usd-must-be-greater-than-zero
   - method-not-allowed
+  - migration-disabled
+  - missing-actor-rights
+  - missing-api-token
+  - missing-billing-info
+  - missing-line-items
+  - missing-payment-date
+  - missing-payout-billing-info
+  - missing-proxy-password
+  - missing-reporting-fields
+  - missing-resource-name
+  - missing-settings
+  - missing-username
+  - monthly-usage-limit-too-low
+  - more-than-one-update-not-allowed
+  - multiple-records-found
+  - must-be-admin
+  - name-not-unique
+  - next-runtime-computation-failed
+  - no-columns-in-exported-dataset
+  - no-payment-attempt-for-refund-found
+  - no-payment-method-available
+  - no-team-account-seats-available
+  - non-temporary-email
+  - not-enough-usage-to-run-paid-actor
+  - not-implemented
+  - not-supported-currencies
+  - o-auth-service-already-connected
+  - o-auth-service-not-connected
+  - oauth-resource-access-failed
+  - one-time-invoice-already-marked-paid
+  - only-drafts-can-be-deleted
+  - operation-canceled
+  - operation-not-allowed
+  - operation-timed-out
+  - organization-cannot-own-itself
+  - organization-role-not-found
+  - overlapping-payout-billing-periods
+  - own-token-required
   - page-not-found
-  - permission-denied
+  - param-not-one-of
+  - parameter-required
+  - parameters-mismatched
+  - password-reset-email-already-sent
+  - password-reset-token-expired
+  - pay-as-you-go-without-monthly-interval
+  - payment-attempt-status-message-required
+  - payout-already-paid
+  - payout-canceled
+  - payout-invalid-state
+  - payout-must-be-approved-to-be-marked-paid
+  - payout-not-found
+  - payout-number-already-exists
+  - phone-number-invalid
+  - phone-number-landline
+  - phone-number-opted-out
+  - phone-verification-disabled
+  - platform-feature-disabled
+  - price-overrides-validation-failed
+  - pricing-model-not-supported
+  - promotional-plan-not-available
+  - proxy-auth-ip-not-unique
+  - public-actor-disabled
+  - query-timeout
+  - quoted-price-outdated
   - rate-limit-exceeded
+  - recaptcha-invalid
+  - recaptcha-required
   - record-not-found
-  - record-not-unique
+  - record-not-public
   - record-or-token-not-found
+  - record-too-large
+  - redirect-uri-mismatch
+  - reduced-plan-not-available
+  - rental-charge-already-reimbursed
+  - rental-not-allowed
+  - request-aborted-prematurely
+  - request-handled-or-locked
   - request-id-invalid
+  - request-queue-duplicate-requests
   - request-too-large
+  - requested-dataset-view-does-not-exist
+  - resume-token-expired
   - run-failed
   - run-timeout-exceeded
+  - russia-is-evil
+  - same-user
   - schedule-actor-not-found
   - schedule-actor-task-not-found
-  - token-not-valid
+  - schedule-name-not-unique
+  - schema-validation
+  - schema-validation-failed
+  - sign-up-method-not-allowed
+  - slack-integration-not-custom
+  - socket-closed
+  - socket-destroyed
+  - store-schema-invalid
+  - store-terms-not-accepted
+  - stripe-enabled
+  - stripe-generic-decline
+  - stripe-not-enabled
+  - stripe-not-enabled-for-user
+  - tagged-build-required
+  - tax-country-invalid
+  - tax-number-invalid
+  - tax-number-validation-failed
+  - taxamo-call-failed
+  - taxamo-request-failed
+  - testing-error
+  - token-not-provided
+  - too-few-versions
+  - too-many-actor-tasks
+  - too-many-actors
+  - too-many-labels-on-resource
+  - too-many-mcp-connectors
+  - too-many-o-auth-apps
+  - too-many-organizations
+  - too-many-requests
+  - too-many-schedules
+  - too-many-ui-access-keys
+  - too-many-user-labels
+  - too-many-values
+  - too-many-versions
+  - too-many-webhooks
+  - unexpected-route
   - unknown-build-tag
+  - unknown-payment-provider
+  - unsubscribe-token-invalid
+  - unsupported-actor-pricing-model-for-agentic-payments
   - unsupported-content-encoding
+  - unsupported-file-type-for-issue
+  - unsupported-file-type-image-expected
+  - unsupported-file-type-text-or-json-expected
+  - unsupported-permission
+  - upcoming-subscription-bill-not-up-to-date
+  - user-already-exists
+  - user-already-verified
+  - user-creates-organizations-too-fast
+  - user-disabled
+  - user-email-is-disposable
+  - user-email-not-set
+  - user-email-not-verified
+  - user-has-no-subscription
+  - user-integration-not-found
+  - user-is-already-invited
+  - user-is-already-organization-member
+  - user-is-not-member-of-organization
+  - user-is-not-organization
+  - user-is-organization
+  - user-is-organization-owner
+  - user-is-removed
   - user-not-found
+  - user-not-logged-in
+  - user-not-verified
+  - user-or-token-not-found
+  - user-plan-not-allowed-for-coupon
+  - user-problem-with-card
+  - user-record-not-found
+  - username-already-taken
+  - username-missing
+  - username-not-allowed
+  - username-removal-forbidden
+  - username-required
+  - verification-email-already-sent
+  - verification-token-expired
+  - version-already-exists
+  - versions-size-exceeded
+  - weak-password
+  - x402-agentic-payment-already-finalized
+  - x402-agentic-payment-insufficient-amount
+  - x402-agentic-payment-malformed-token
+  - x402-agentic-payment-settlement-failed
+  - x402-agentic-payment-settlement-in-progress
+  - x402-agentic-payment-settlement-stuck
+  - x402-agentic-payment-unauthorized
   - x402-payment-required
+  - zero-invoice