> ## Documentation Index > Fetch the complete documentation index at: https://docs.ohmyho.st/llms.txt > Use this file to discover all available pages before exploring further. # Create a project > Atomically records the project and a durable operation for asynchronous processing. ## OpenAPI ````yaml /openapi.json post /v1/projects openapi: 3.1.2 info: title: ohmyho.st API version: 0.0.0 description: >- Public REST API for ohmyho.st hosting, projects, domains, email, credits and exports. servers: - url: https://app.ohmyho.st description: Production control API - url: https://dev.app.ohmyho.st description: Development control API security: - BearerAuth: [] paths: /v1/projects: post: summary: Create a project description: >- Atomically records the project and a durable operation for asynchronous processing. operationId: createProject parameters: - $ref: '#/components/parameters/RequestId' - $ref: '#/components/parameters/IdempotencyKey' requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/CreateProjectRequest' responses: '202': $ref: '#/components/responses/AcceptedOperation' '400': $ref: '#/components/responses/Problem' '401': $ref: '#/components/responses/Problem' '403': $ref: '#/components/responses/Problem' '409': $ref: '#/components/responses/IdempotencyConflict' '413': $ref: '#/components/responses/Problem' '429': $ref: '#/components/responses/Problem' '503': $ref: '#/components/responses/Problem' components: parameters: RequestId: name: X-Request-Id in: header description: Optional caller-provided correlation identifier. required: false schema: type: string minLength: 1 maxLength: 128 IdempotencyKey: name: Idempotency-Key in: header description: Identifies one mutation and its canonical request payload. required: true schema: type: string minLength: 1 maxLength: 128 schemas: CreateProjectRequest: type: object description: >- Phase 1 project creation request. The server assigns resource identifiers. additionalProperties: false required: - organization_id - name properties: organization_id: $ref: '#/components/schemas/Ulid' data_mode: $ref: '#/components/schemas/ProjectDataMode' name: type: string minLength: 1 maxLength: 128 pattern: ^\S(?:.*\S)?$ Ulid: type: string pattern: ^[0-9A-HJKMNP-TV-Z]{26}$ ProjectDataMode: type: string enum: - shared - isolated default: shared description: >- Chosen when the project is created. shared uses one database and a shared file namespace across Dev/Prod; isolated keeps their database/Auth records and files separate. Skills recommend isolated development, but the customer chooses the additional measured database consumption. Promotion applies pending schema migrations to an isolated Prod database without copying Dev data. Changing an established mode requires an explicit data migration. Operation: type: object description: >- Durable record returned for an accepted asynchronous mutation. Optional reconciliation is a current observation for queued/running work, separate from immutable terminal state. A completed reconciliation attempt alone does not mean the operation succeeded. additionalProperties: false required: - id - state - created_at - updated_at properties: id: $ref: '#/components/schemas/Ulid' state: type: string enum: - queued - running - succeeded - failed - cancelled created_at: type: string format: date-time updated_at: type: string format: date-time result: type: object additionalProperties: true error: $ref: '#/components/schemas/OperationFailure' progress: $ref: '#/components/schemas/OperationDeploymentProgress' reconciliation: $ref: '#/components/schemas/OperationReconciliation' ProblemDetails: type: object description: RFC 9457 Problem Details extended with stable ohmyhost recovery fields. additionalProperties: false required: - type - title - status - code - request_id - retryable - suggested_action properties: type: type: string format: uri-reference title: type: string minLength: 1 status: type: integer minimum: 400 maximum: 599 detail: type: string instance: type: string format: uri-reference code: type: string enum: - invalid_request - unauthenticated - forbidden - resource_not_found - idempotency_key_reused - project_handle_unavailable - project_identity_unavailable - deployment_plan_expired - deployment_plan_incompatible - confirmation_expired - confirmation_invalid - etag_mismatch - promotion_source_stale - promotion_target_stale - promotion_invalid_target - mail_domain_conflict - mail_domain_required - framework_conversion_required - migration_filename_noncanonical - environment_secret_mutation_blocked - container_runtime_required - payload_too_large - rate_limited - insufficient_organization_credits - paid_plan_required - project_budget_exceeded - compute_performance_paid_required - compute_performance_unavailable - compute_change_pending - compute_change_conflict - billing_purchase_conflict - cloudflare_authorization_closed - project_notes_conflict - project_export_not_ready - interactive_login_required - api_key_creation_uncertain - api_key_permissions_unavailable - reconciliation_exhausted - service_unavailable request_id: type: string minLength: 1 maxLength: 128 retryable: type: boolean retry_after_seconds: type: integer minimum: 1 maximum: 86400 description: >- Optional machine-readable retry delay for a rate limit, matching Retry-After. suggested_action: type: string minLength: 1 IdempotencyConflictProblem: allOf: - $ref: '#/components/schemas/ProblemDetails' - type: object properties: code: const: idempotency_key_reused OperationFailure: type: object additionalProperties: false required: - code - message - retryable - suggested_action properties: code: type: string enum: - operation_failed - recovery_dispatch_failed - recovery_job_failed - recovery_input_expired - recovery_database_unavailable - recovery_checksum_mismatch - recovery_scope_unavailable - recovery_archive_too_large - build_not_started - build_failed - database_compute_failed - database_compute_plan_changed - database_compute_rejected - database_migration_failed - insufficient_organization_credits - paid_plan_required - runtime_candidate_failed - container_runtime_secrets_unsupported - provider_state_absent message: type: string minLength: 1 maxLength: 512 retryable: type: boolean const: false description: >- A terminal operation cannot be retried in place; follow suggested_action. suggested_action: type: string minLength: 1 maxLength: 500 OperationDeploymentProgress: type: object additionalProperties: false description: >- Current deployment dependency observation, separate from immutable operation history. Poll the same operation; mail readiness does not mean application activation. required: - phase - project_id - deployment_id - observed_at - next_poll_after_seconds - suggested_action properties: build_completed_at: type: string format: date-time description: >- Actual successful CodeBuild completion time when this operation ran a build; omitted for reused artifacts without a current build. phase: type: string enum: - queued - building - publishing - waiting_for_mail - mail_status_unavailable project_id: $ref: '#/components/schemas/Ulid' deployment_id: $ref: '#/components/schemas/Ulid' observed_at: type: string format: date-time next_poll_after_seconds: type: integer const: 60 suggested_action: type: string minLength: 1 maxLength: 500 OperationReconciliation: type: object additionalProperties: false required: - state - attempt_id - observed_at - suggested_action properties: state: type: string enum: - required - pending attempt_id: oneOf: - $ref: '#/components/schemas/Ulid' - type: 'null' description: >- Active attempt for pending reconciliation; null when a new confirmed reconciliation is required. observed_at: type: string format: date-time suggested_action: type: string minLength: 1 maxLength: 500 responses: AcceptedOperation: description: The mutation was accepted for asynchronous processing. headers: Location: description: Relative URL of the durable operation resource. required: true schema: type: string pattern: ^/v1/operations/[0-9A-HJKMNP-TV-Z]{26}$ X-Request-Id: $ref: '#/components/headers/XRequestId' content: application/json: schema: $ref: '#/components/schemas/Operation' Problem: description: The request failed. headers: X-Request-Id: $ref: '#/components/headers/XRequestId' content: application/problem+json: schema: $ref: '#/components/schemas/ProblemDetails' IdempotencyConflict: description: The idempotency key was already used with a different canonical request. headers: X-Request-Id: $ref: '#/components/headers/XRequestId' content: application/problem+json: schema: $ref: '#/components/schemas/IdempotencyConflictProblem' examples: reusedKey: value: type: https://docs.ohmyho.st/errors/idempotency-key-reused title: Idempotency key reused status: 409 code: idempotency_key_reused request_id: req_01J00000000000000000000000 retryable: false suggested_action: Retry with a new idempotency key. headers: XRequestId: description: Correlates the request with operations, events, logs, and audit records. required: true schema: type: string minLength: 1 maxLength: 128 securitySchemes: BearerAuth: type: http scheme: bearer description: >- WorkOS access JWT or a user-owned WorkOS API key. User keys are bound to one organization and restricted to their enabled product permissions. Session-only onboarding and session revocation require an interactive access JWT. No cookie session is assumed. ````