# Daily Public API documentation > Production, read-only API v1 for Daily business data. - OpenAPI JSON: https://docs.godaily.co.il/openapi.json - OpenAPI YAML: https://docs.godaily.co.il/openapi.yaml - Complete documentation: https://docs.godaily.co.il/llms-full.txt ## Pages - [Authentication](https://docs.godaily.co.il/docs/authentication): Understand Daily bearer keys, business scope, rotation, expiration, and network restrictions. - [Changelog](https://docs.godaily.co.il/docs/changelog): Verified public API changes derived from the Daily repository history. - [Use the docs with a coding model](https://docs.godaily.co.il/docs/coding-models): Give Codex or another coding model deterministic Daily API context without exposing secrets. - [Errors](https://docs.godaily.co.il/docs/errors): Handle Daily error categories, stable codes, and request IDs safely. - [Filtering and sorting](https://docs.godaily.co.il/docs/filtering-sorting): Use only the filters and deterministic sort orders implemented by each Daily resource. - [Getting started](https://docs.godaily.co.il/docs/getting-started): Create a least-privilege key and make your first Daily API request. - [Daily Public API](https://docs.godaily.co.il/docs/): Build secure, read-only integrations with business data in Daily. - [Pagination](https://docs.godaily.co.il/docs/pagination): Traverse Daily collections safely with opaque, stable cursors. - [PDF access](https://docs.godaily.co.il/docs/pdf-access): Retrieve and consume five-minute signed document PDF URLs safely. - [Permissions](https://docs.godaily.co.il/docs/permissions): Assign least-privilege access using the exact permissions available in Daily. - [API playground](https://docs.godaily.co.il/docs/playground): Send a direct test request while keeping the API key only in current-page memory. - [Rate limits](https://docs.godaily.co.il/docs/rate-limits): Design clients for Daily's enforced per-key and per-IP edge limits. - [Integration recipes](https://docs.godaily.co.il/docs/recipes): Production patterns for synchronization, PDF retrieval, retries, key rotation, and permissions. - [OpenAPI reference](https://docs.godaily.co.il/docs/reference): Generated schemas, parameters, samples, and verified responses for every Daily v1 operation. - [Requests and responses](https://docs.godaily.co.il/docs/requests-responses): Learn Daily API conventions for methods, identifiers, time, money, nullability, and envelopes. - [Business](https://docs.godaily.co.il/docs/resources/business): Retrieve identity and contact data for the business bound to the API key. - [Customers and suppliers](https://docs.godaily.co.il/docs/resources/customers-suppliers): List and retrieve counterparties with contact, address, status, currency, and tags. - [Documents](https://docs.godaily.co.il/docs/resources/documents): Retrieve documents, customer snapshots, line items, payment state, relationships, and PDF availability. - [Resource reference](https://docs.godaily.co.il/docs/resources/index): All resources and operations implemented by the Daily Public API v1. - [Inventory](https://docs.godaily.co.il/docs/resources/inventory): Retrieve inventory levels and document-backed movements with fixed-decimal quantities. - [Leads](https://docs.godaily.co.il/docs/resources/leads): Retrieve sales leads, public statuses, source, owner summary, and conversion relationship. - [Payments](https://docs.godaily.co.il/docs/resources/payments): Retrieve recorded payments without sensitive card, bank, or provider transaction data. - [Products](https://docs.godaily.co.il/docs/resources/products): Retrieve products and raw materials with minor-unit prices and catalog metadata. - [Tasks](https://docs.godaily.co.il/docs/resources/tasks): Retrieve task status, priority, due dates, relationships, and assigned-user summaries. - [Security best practices](https://docs.godaily.co.il/docs/security): Protect API keys, limit blast radius, redact telemetry, and respond to exposure. - [API versioning](https://docs.godaily.co.il/docs/versioning): Understand the current v1 path strategy and compatibility model.