{ "openapi": "3.1.0", "info": { "title": "GetApi", "version": "0.0.1", "description": "## Authentication\n\nAll API endpoints require authentication. Include your API key in every request using **one** of the following methods:\n\n**Option 1 \u2014 X-Api-Key header (recommended)**\n```\nX-Api-Key: ga_live_xxxxxxxxxxxxxxxxxxxx\n```\n\n**Option 2 \u2014 Bearer token**\n```\nAuthorization: Bearer ga_live_xxxxxxxxxxxxxxxxxxxx\n```\n\nYou can generate and manage API keys in your [dashboard](https://getapi.nl/dashboard).\n\n## AI & Agent Payments (x402)\n\nSome endpoints support direct payments for AI agents via the **x402** protocol (https://www.x402.org).\nNo API key or account is needed. Send a normal request without key;\nthe server will respond with **HTTP 402** and a `PAYMENT-REQUIRED` header:\n\n```\nPAYMENT-REQUIRED: \n```\n\nThis base64 string contains, among other things, `network`, `asset`, `amount`, and `payTo`. \nYour agent signs an EIP-3009 *transferWithAuthorization* for the specified `amount` of USDC to that `payTo` address, \nencodes the signature as base64, and resubmits the request with:\n\n```\nPAYMENT-SIGNATURE: \n```\n\nThe server verifies the signature via a facilitator, provides the data, and settles the payment on-chain. \nThe success response includes a `PAYMENT-RESPONSE` header containing the transaction information. \nA one-time `nonce` prevents replay attacks. Payments are made in USDC on **Base**; \nthe price is determined by the `credit_cost` of the endpoint.", "contact": { "email": "info@wdnoord.nl" }, "x-guidance": "GetAPI.nl is een Nederlandse API-platform voor lookups en validaties (postcode,\nadres, kenteken, BTW, e-mail, KVK, IBAN, energiemaatwerk, overheidsdata). Elke\nendpoint accepteert een API key via de X-Api-Key header of Authorization:\nBearer .\n\nSommige endpoints zijn ook direct betaalbaar voor AI-agents via het x402-protocol\n(https://www.x402.org) zonder account of API key: stuur een verzoek zonder key,\nde server antwoordt met HTTP 402 en een PAYMENT-REQUIRED header (base64 JSON met\nnetwork, asset, amount, payTo). Teken daarna een EIP-3009 transferWithAuthorization\nvoor het gevraagde bedrag in USDC op Base en hertrail met een PAYMENT-SIGNATURE\nheader. De server verifieert, levert de data en settleert on-chain.\n\nTips voor agents:\n- Lees eerst de PAYMENT-REQUIRED header van een 402-antwoord; die is leidend.\n- Geef altijd de exact door de server gevraagde parameters mee.\n- Een endpoint met een \"x-payment-info\" blok vereist betaling voor gebruik." }, "servers": [ { "url": "https://api.getapi.nl", "description": "GetAPI" } ], "security": [ { "ApiKeyAuth": [] }, { "BearerAuth": [] }, { "ApiKeyAuth": [] }, { "BearerAuth": [] } ], "paths": { "/v1/kadaster/bag/address-suggest": { "get": { "operationId": "kadaster.bag.address-suggest", "description": "Returns address suggestions for autocomplete functionality based on a partial query.\nUseful for implementing address autocomplete in forms. Returns up to 10 suggestions\nwith full address details and BAG identifiers.\n\nResults are cached for 1 hour.", "summary": "Address autocomplete suggestions", "tags": [ "BAG \u2013 Basisregistratie Adressen en Gebouwen", "AddressSuggest" ], "parameters": [ { "name": "q", "in": "query", "required": true, "schema": { "type": "string", "minLength": 2, "maxLength": 100 } }, { "name": "limit", "in": "query", "schema": { "type": [ "integer", "null" ], "minimum": 1, "maximum": 25 } } ], "responses": { "200": { "description": "Address suggestions found", "content": { "application/json": { "schema": { "type": "object", "examples": [ { "suggestions": [ { "id": "adr-1234567890123456", "label": "Damrak 1, 1012LG Amsterdam", "type": "adres", "nummeraanduiding_id": "1234567890123456", "verblijfsobject_id": "1234567890123456", "postcode": "1012LG", "house_number": 1 }, { "id": "adr-1234567890123457", "label": "Damrak 2, 1012LG Amsterdam", "type": "adres", "nummeraanduiding_id": "1234567890123457", "verblijfsobject_id": "1234567890123457", "postcode": "1012LG", "house_number": 2 } ] } ], "properties": { "suggestions": { "type": "array", "items": { "type": "object", "properties": { "id": { "type": "string" }, "label": { "type": "string" }, "type": { "type": "string" }, "nummeraanduiding_id": { "type": [ "string", "null" ] }, "verblijfsobject_id": { "type": [ "string", "null" ] }, "postcode": { "type": [ "string", "null" ] }, "house_number": { "type": [ "integer", "null" ] } }, "required": [ "id", "label", "type", "nummeraanduiding_id", "verblijfsobject_id", "postcode", "house_number" ] } } }, "required": [ "suggestions" ] } } } }, "422": { "$ref": "#/components/responses/ValidationException" }, "402": { "description": "Payment Required" } }, "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.010000" }, "protocols": [ { "x402": {} } ] } } } }, "components": { "securitySchemes": { "ApiKeyAuth": { "type": "apiKey", "in": "header", "name": "X-Api-Key" }, "BearerAuth": { "type": "http", "scheme": "bearer" } }, "responses": { "ValidationException": { "description": "Validation error", "content": { "application/json": { "schema": { "type": "object", "properties": { "message": { "type": "string", "description": "Errors overview." }, "errors": { "type": "object", "description": "A detailed description of each field that failed validation.", "additionalProperties": { "type": "array", "items": { "type": "string" } } } }, "required": [ "message", "errors" ] } } } } } } }