> ## Documentation Index > Fetch the complete documentation index at: https://docs.particle.pro/llms.txt > Use this file to discover all available pages before exploring further. # Identify your API key > Returns the organization, project, and API key a request authenticates as, with the organization's plan. Free: call it to check that a key works and which project it belongs to. A missing, mistyped, revoked, or expired key returns 401 api_key_required. When the organization's access is blocked, it returns the same 402 as every other endpoint, naming the billing state and how to resolve it. ## OpenAPI ````yaml /openapi.json get /v1/me openapi: 3.1.0 info: contact: email: api@particle.pro name: Particle url: https://particle.pro description: >- Podcast API for transcripts, mentions and sponsorship data. 140,000+ podcasts transcribed, diarized and speaker-identified within minutes of airing, about 28,000 episodes a day. Search transcripts by keyword or meaning, track brand and company mentions with alerts, pull sponsor and ad-read data and rankings. REST API plus an MCP server for AI agents. Also company, people and topic intelligence. summary: >- Podcast API: transcripts, mentions, sponsors and rankings for 140,000+ podcasts. termsOfService: https://particle.pro/legal/tos-api title: Particle API version: 0.1.0 x-guidance: >- Podcast, people, company and topic intelligence. Authenticate with a pp_ API key (X-API-Key header) or pay per request with x402: a keyless call to a billable endpoint returns 402 with the payment requirements in the PAYMENT-REQUIRED header; sign the USDC transfer and repeat the request with PAYMENT-SIGNATURE. Start with GET /v1/podcasts/search?q=; the slugs in responses are the inputs to the other endpoints. Docs: https://docs.particle.pro; setup playbook: https://api.particle.pro/agents.md; endpoint and tool map with prices: https://api.particle.pro/llms.txt; credential recipe: https://api.particle.pro/auth.md. x-logo: url: https://particle.pro/favicon.svg servers: - url: https://api.particle.pro security: - ApiKeyHeader: [] - BearerAuth: [] externalDocs: url: https://docs.particle.pro paths: /v1/me: get: tags: - Account - tier:free summary: Identify your API key description: >- Returns the organization, project, and API key a request authenticates as, with the organization's plan. Free: call it to check that a key works and which project it belongs to. A missing, mistyped, revoked, or expired key returns 401 api_key_required. When the organization's access is blocked, it returns the same 402 as every other endpoint, naming the billing state and how to resolve it. operationId: get-me responses: '200': content: application/json: schema: $ref: '#/components/schemas/Identity' description: OK default: content: application/problem+json: schema: $ref: '#/components/schemas/PlatformError' description: Error x-codeSamples: - label: cURL lang: curl source: |- curl -H "X-API-Key: $PARTICLE_API_KEY" \ "https://api.particle.pro/v1/me" components: schemas: Identity: additionalProperties: false properties: api_key: $ref: '#/components/schemas/APIKey' description: >- The key the request authenticated with. Only its prefix is returned, never the full key. organization: $ref: '#/components/schemas/IdentityOrganization' description: The organization the key belongs to, and its plan. project: $ref: '#/components/schemas/Project' description: The project the key belongs to. required: - organization - project - api_key type: object PlatformError: additionalProperties: false properties: detail: description: >- A human-readable explanation specific to this occurrence of the problem. examples: - Property foo is required but is missing. type: string error_code: type: string errors: description: Optional list of individual error details items: $ref: '#/components/schemas/ErrorDetail' type: - array - 'null' instance: description: >- A URI reference that identifies the specific occurrence of the problem. examples: - https://example.com/error-log/abc123 format: uri type: string resolve: $ref: '#/components/schemas/ErrorResolve' status: description: HTTP status code examples: - 400 format: int64 type: integer title: description: >- A short, human-readable summary of the problem type. This value should not change between occurrences of the error. examples: - Bad Request type: string type: default: about:blank description: A URI reference to human-readable documentation for the error. examples: - https://example.com/errors/example format: uri type: string type: object APIKey: additionalProperties: false properties: created_at: description: When the key was created format: date-time type: string created_by: $ref: '#/components/schemas/Creator' description: User who created the key expires_at: description: When the key expires, if set format: date-time type: string id: description: Unique identifier type: string key_prefix: description: Masked key prefix for identification (e.g. pp_abc12345...) type: string last_used_at: description: When the key was last used to authenticate a request format: date-time type: string name: description: Human-readable key name type: string required: - id - name - key_prefix - created_at type: object IdentityOrganization: additionalProperties: false properties: id: description: The organization's ID. type: string name: description: The organization's name. type: string plan: description: >- The organization's billing plan ID, e.g. business or enterprise. Branch on this rather than on plan_display_name. type: string plan_display_name: description: >- The plan's name as the dashboard shows it, ready to display. Omitted when it cannot be resolved. type: string subscription_status: description: >- ACTIVE when the subscription is in good standing. PAST_DUE when a payment failed and is being retried: requests are still served, but the payment method needs updating. CANCELED when the subscription has been canceled and access ends with the current billing period. type: string required: - id - name - plan - subscription_status type: object Project: additionalProperties: false properties: created_at: description: When the project was created format: date-time type: string description: description: Project description type: string id: description: Unique identifier type: string name: description: Project display name type: string slug: description: URL-safe project slug, unique within the organization type: string updated_at: description: When the project was last updated format: date-time type: string required: - id - name - slug - created_at - updated_at type: object ErrorDetail: additionalProperties: false properties: location: description: >- Where the error occurred, e.g. 'body.items[3].tags' or 'path.thing-id' type: string message: description: Error message text type: string value: description: The value at the given location type: object ErrorResolve: additionalProperties: false properties: action: type: string endpoint: type: string message: type: string method: type: string url: type: string required: - message type: object Creator: additionalProperties: false properties: id: description: Creator's user ID type: string name: description: Creator's display name type: string required: - id - name type: object securitySchemes: ApiKeyHeader: description: Pass your API key in the X-API-Key header (recommended). in: header name: X-API-Key type: apiKey BearerAuth: description: Pass your API key as a Bearer token in the Authorization header. scheme: bearer type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.