> ## Documentation Index > Fetch the complete documentation index at: https://docs.alura.io/llms.txt > Use this file to discover all available pages before exploring further. # Usage by day > API credits, calls, errors and average latency per UTC day and operation, for the usage chart. Days are UTC calendar days, `from` and `to` inclusive, at most the last 90 days. Free. Cost: free. ## OpenAPI ````yaml /openapi.json get /v1/usage/by-day openapi: 3.1.0 info: title: Alura API version: 1.0.0 description: Etsy market research for scripts and AI assistants. servers: - url: https://api.alura.io security: - apiKey: [] paths: /v1/usage/by-day: get: summary: Usage by day description: >- API credits, calls, errors and average latency per UTC day and operation, for the usage chart. Days are UTC calendar days, `from` and `to` inclusive, at most the last 90 days. Free. Cost: free. operationId: account.usage.byDay parameters: - name: from in: query required: false description: >- First UTC day, `YYYY-MM-DD`; default 29 days before `to`. Days before the last 90 are left out. schema: description: >- First UTC day, `YYYY-MM-DD`; default 29 days before `to`. Days before the last 90 are left out. type: string format: date pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))$ - name: to in: query required: false description: Last UTC day, `YYYY-MM-DD`, inclusive; default today. schema: description: Last UTC day, `YYYY-MM-DD`, inclusive; default today. type: string format: date pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))$ - name: fields in: query required: false description: >- Comma-separated dotted paths to return; `id`, `object` and `as_of` always come back. schema: type: string responses: '200': description: OK headers: Request-Id: $ref: '#/components/headers/Request-Id' Alura-Credits-Cost: $ref: '#/components/headers/Alura-Credits-Cost' Alura-Credits-Remaining: $ref: '#/components/headers/Alura-Credits-Remaining' content: application/json: schema: type: object properties: object: type: string const: usage_by_day from: type: string to: type: string data: type: array items: type: object properties: date: type: string description: The UTC day, `YYYY-MM-DD`. operation: type: string description: The operation id. credits: type: integer minimum: 0 description: API credits spent on the operation that day. calls: anyOf: - type: integer minimum: 0 - type: 'null' description: >- Requests; null when the request log has no record of the charged calls of that day. errors: anyOf: - type: integer minimum: 0 - type: 'null' description: >- Requests answered with a status of 400 or more; null with `calls`. avg_latency_ms: anyOf: - type: integer minimum: 0 - type: 'null' description: Mean response time; null with `calls`. required: - date - operation - credits - calls - errors - avg_latency_ms additionalProperties: false description: >- One row per UTC day and operation with any calls or API credits, oldest first. Days without either are left out. required: - object - from - to - data additionalProperties: false example: object: usage_by_day from: '2026-09-16' to: '2026-10-15' data: - date: '2026-10-15' operation: research.products.get credits: 12 calls: 13 errors: 1 avg_latency_ms: 140 '400': $ref: '#/components/responses/Problem400' '401': $ref: '#/components/responses/Problem401' '402': $ref: '#/components/responses/Problem402' '403': $ref: '#/components/responses/Problem403' '404': $ref: '#/components/responses/Problem404' '405': $ref: '#/components/responses/Problem405' '429': $ref: '#/components/responses/Problem429' '500': $ref: '#/components/responses/Problem500' '503': $ref: '#/components/responses/Problem503' x-codeSamples: - lang: bash label: cURL source: |- curl "https://api.alura.io/v1/usage/by-day" \ -H "Authorization: Bearer $ALURA_API_KEY" - lang: typescript label: TypeScript source: |- const res = await fetch('https://api.alura.io/v1/usage/by-day', { headers: { Authorization: `Bearer ${process.env.ALURA_API_KEY}`, }, }); console.log(await res.json()); - lang: python label: Python source: |- import json import os import urllib.request request = urllib.request.Request( "https://api.alura.io/v1/usage/by-day", headers={ "Authorization": f"Bearer {os.environ['ALURA_API_KEY']}", }, ) with urllib.request.urlopen(request) as response: print(json.load(response)) components: headers: Request-Id: description: '`req_` + ULID; quote it when reporting a problem.' schema: type: string Alura-Credits-Cost: description: API credits this call cost. schema: type: integer Alura-Credits-Remaining: description: >- API credits left in the workspace's monthly allowance, counting calls still in flight. Absent when it cannot be read right now. schema: type: integer responses: Problem400: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/invalid_request title: Invalid request status: 400 code: invalid_request detail: Invalid request suggestion: Fix the request as the detail says, then send it again. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem401: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/unauthorized title: Unauthorized status: 401 code: unauthorized detail: Unauthorized suggestion: 'Send a valid API key as `Authorization: Bearer alura_sk_...`.' retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem402: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/credits_exhausted title: API credits exhausted status: 402 code: credits_exhausted detail: API credits exhausted suggestion: Upgrade the plan or wait for the monthly reset. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem403: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/plan_required title: Plan required status: 403 code: plan_required detail: Plan required suggestion: Upgrade the workspace plan to use this operation. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem404: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/not_found title: Not found status: 404 code: not_found detail: Not found suggestion: Check the ID, or search for it first. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem405: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/method_not_allowed title: Method not allowed status: 405 code: method_not_allowed detail: Method not allowed suggestion: Use one of the methods in the Allow header. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem429: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/rate_limited title: Rate limited status: 429 code: rate_limited detail: Rate limited suggestion: Wait for Retry-After, then retry. retryable: true request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem500: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/internal_error title: Internal error status: 500 code: internal_error detail: Internal error suggestion: Retry; if it keeps failing, report the request_id. retryable: true request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem503: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/credits_unavailable title: API credits unavailable status: 503 code: credits_unavailable detail: API credits unavailable suggestion: Retry shortly. retryable: true request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B schemas: Problem: type: object description: RFC 9457 problem details. properties: type: type: string format: uri title: type: string status: type: integer code: type: string description: A code from the error catalog; new codes may be added. x-extensible-enum: - invalid_request - unknown_parameter - invalid_cursor - cursor_window_exceeded - id_type_mismatch - invalid_keyword - unauthorized - credits_exhausted - plan_required - insufficient_scope - workspace_required - workspace_locked - browser_refused - role_required - impersonation_refused - recent_sign_in_required - not_found - not_found_on_etsy - shop_opted_out - method_not_allowed - conflict - key_limit_reached - idempotency_processing - unprocessable - rate_limited - throttled - daily_credit_cap_exceeded - credits_reserved - fetch_limit_reached - internal_error - upstream_unavailable - credits_unavailable - service_unavailable - fetch_unavailable - upstream_timeout detail: type: string suggestion: type: string retryable: type: boolean request_id: type: string upgrade_url: type: string format: uri description: 'credits_exhausted and plan_required: where to upgrade the plan.' credits_needed: type: integer description: 'API credit refusals: what the call needed.' credits_remaining: type: integer description: >- API credit refusals: what is left (of the month, or of the day for daily_credit_cap_exceeded). resets_at: type: string format: date-time description: >- credits_exhausted and daily_credit_cap_exceeded: when the limit resets. required: - type - title - status - code - detail - suggestion - retryable - request_id securitySchemes: apiKey: type: http scheme: bearer description: 'An API key: `Authorization: Bearer alura_sk_...`.' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.