# Scout RFP (Workday Strategic Sourcing) > Strategic sourcing and supplier engagement platform (founded 2014, acquired by Workday 2019, now Workday Strategic Sourcing). Its public developer platform exposes a JSON:API REST API across eleven versioned services plus a SCIM 2.0 user-provisioning API. Auth is company API key + per-user personal token; all calls HTTPS/JSON:API, cursor paginated, rate limited to 5 requests/second. Legacy v3 on api.scoutrfp.com was sunset 2025-04-18 in favor of api.us.workdayspend.com (with EU and CA regional hosts). ## APIs - [Suppliers API](https://apidocs.workdayspend.com/services/suppliers/v1.html): supplier companies, contacts, categories, groups, segmentation (56 operations) - [Events API](https://apidocs.workdayspend.com/services/events/v1.html): sourcing events (RFP/RFQ/auction), line items, worksheets, bids (32 operations) - [Reports API](https://apidocs.workdayspend.com/services/reports/v1.html): reporting + Tableau web data connector feeds (24 operations) - [Contracts API](https://apidocs.workdayspend.com/services/contracts/v1.html): contracts and contract types (17 operations) - [Projects API](https://apidocs.workdayspend.com/services/projects/v1.html): sourcing projects and project types (19 operations) - [Payments API](https://apidocs.workdayspend.com/services/payments/v1.html): supplier payments, terms, currencies (18 operations) - [Fields API](https://apidocs.workdayspend.com/services/fields/v1.html): custom field definitions (14 operations) - [Awards API](https://apidocs.workdayspend.com/services/awards/v1.html): event awards and award line items - [Attachments API](https://apidocs.workdayspend.com/services/attachments/v1.html): file attachments on records - [Spend Categories API](https://apidocs.workdayspend.com/services/spend_categories/v1.html): spend category taxonomy - [SCIM (Users) API](https://apidocs.workdayspend.com/services/scim/v2.html): SCIM 2.0 user provisioning ## Specs - [Suppliers OpenAPI](openapi/scoutrfp-suppliers-v1-openapi.json) - [Events OpenAPI](openapi/scoutrfp-events-v1-openapi.json) - [Reports OpenAPI](openapi/scoutrfp-reports-v1-openapi.json) - [Contracts OpenAPI](openapi/scoutrfp-contracts-v1-openapi.json) - [Projects OpenAPI](openapi/scoutrfp-projects-v1-openapi.json) - [Payments OpenAPI](openapi/scoutrfp-payments-v1-openapi.json) - [Fields OpenAPI](openapi/scoutrfp-fields-v1-openapi.json) - [Awards OpenAPI](openapi/scoutrfp-awards-v1-openapi.json) - [Attachments OpenAPI](openapi/scoutrfp-attachments-v1-openapi.json) - [Spend Categories OpenAPI](openapi/scoutrfp-spend_categories-v1-openapi.json) - [SCIM OpenAPI](openapi/scoutrfp-scim-v2-openapi.json) ## Artifacts - [Authentication](authentication/scoutrfp-authentication.yml): api-key headers (X-Api-Key + X-User-Token + X-User-Email) + SCIM basic - [Conventions](conventions/scoutrfp-conventions.yml): JSON:API, cursor pagination, 5 req/s rate limit, versioning - [Error catalog](errors/scoutrfp-problem-types.yml): JSON:API / SCIM error envelopes - [Conformance](conformance/scoutrfp-conformance.yml): JSON:API 1.0, SCIM 2.0, SOC 2 / ISO 27001 / FedRAMP / GDPR - [Lifecycle](lifecycle/scoutrfp-lifecycle.yml): 18-month major-version support; legacy v3 sunset 2025-04-18 - [Data model](data-model/scoutrfp-data-model.yml): entity/relationship graph - [Agent Skills](skills/_index.yml): run sourcing event, onboard supplier, SCIM provisioning, manage contract ## Docs - [Developer portal](https://apidocs.workdayspend.com/) - [Product](https://www.workday.com/en-us/products/spend-management/strategic-sourcing.html) - [Trust / security](https://security.workday.com/)