API · Manage · Entities
Qualify the entity.
Register the entity to do business in a foreign jurisdiction (any state other than the state of incorporation). Each US state requires a separate Application for Authority filing, ongoing annual reports, and a registered agent in that state — Matter executes the filing chain and provisions the agent if one is not supplied.
Triggered the moment a company crosses a "doing business" threshold somewhere new — opening an office, hiring a W-2 employee, holding inventory, signing a long-term lease. Failing to qualify before transacting exposes the entity to back-taxes, fines, and loss of standing to sue in that state's courts.
Prerequisites - Entity must be in active state. Returns 409 invalid_state_transition otherwise. - The entity must already have a Certificate of Good Standing (or equivalent) from its state of incorporation; Matter pulls this automatically. - For some states (e.g. New York), publication requirements apply for LLCs; the cascade includes the publication filings and proof-of-publication submission.
Sub-agent rail. This endpoint dispatches a state_sos_qualification sub-agent to the destination state's SOS portal (CA / NY direct; partner registrars elsewhere). Returns 202 Accepted with the Qualification + Filing pair; the Qualification updates when the sub-agent's filing is accepted.
Returns 202 Accepted. On completion, emits one of: entity.state_changed, filing.accepted. Subscribe via `POST /v1/webhook_endpoints` to consume. Idempotent via Idempotency-Key. See idempotency.
See also: Cookbook: file foreign qualification, Entities API overview.
Last updated
Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
jurisdictionstringRequiredISO 3166-2 subdivision code. For US entities, this is the formation state
(US-DE, US-CA). For entities in other countries, top-level jurisdiction code.
registered_agentobjectOptionalproviderstringOptional"matter""external"Response Body
application/json
application/problem+json
application/problem+json
application/problem+json
application/problem+json
Request
curl -X POST "https://api.mattermode.com/v1/entities/{id}/qualify" \ -H "Content-Type: application/json" \ -d '{ "jurisdiction": "US-DE", "registered_agent": { "provider": "matter" } }'const body = JSON.stringify({ "jurisdiction": "US-DE", "registered_agent": { "provider": "matter" }})fetch("https://api.mattermode.com/v1/entities/{id}/qualify", { method: "POST", headers: { "Content-Type": "application/json" }, body})package mainimport ( "fmt" "net/http" "io/ioutil" "strings")func main() { url := "https://api.mattermode.com/v1/entities/{id}/qualify" body := strings.NewReader(`{ "jurisdiction": "US-DE", "registered_agent": { "provider": "matter" } }`) req, _ := http.NewRequest("POST", url, body) req.Header.Add("Content-Type", "application/json") res, _ := http.DefaultClient.Do(req) defer res.Body.Close() body, _ := ioutil.ReadAll(res.Body) fmt.Println(res) fmt.Println(string(body))}import requestsheaders = { "Authorization": "Bearer sk_test_4eC39HqLyjWDarjtT1zdp7dc", "Matter-Version": "2026-06-10", "Idempotency-Key": "ee7c3a9b-3f1a-4d8e-9b2a-7c5e1f0a2d4b",}payload = { "jurisdiction": "US-DE", "registered_agent": { "provider": "matter" }}resp = requests.post( "https://api.mattermode.com/v1/entities/ent_Nq3KcAbc/qualify", headers=headers, json=payload,)resp.raise_for_status()print(resp.json())import java.net.URI;import java.net.http.HttpClient;import java.net.http.HttpRequest;import java.net.http.HttpResponse;import java.net.http.HttpResponse.BodyHandlers;import java.time.Duration;import java.net.http.HttpRequest.BodyPublishers;var body = BodyPublishers.ofString("""{ "jurisdiction": "US-DE", "registered_agent": { "provider": "matter" }}""");HttpClient client = HttpClient.newBuilder() .connectTimeout(Duration.ofSeconds(10)) .build();HttpRequest.Builder requestBuilder = HttpRequest.newBuilder() .uri(URI.create("https://api.mattermode.com/v1/entities/{id}/qualify")) .header("Content-Type", "application/json") .POST(body) .build();try { HttpResponse<String> response = client.send(requestBuilder.build(), BodyHandlers.ofString()); System.out.println("Status code: " + response.statusCode()); System.out.println("Response body: " + response.body());} catch (Exception e) { e.printStackTrace();}using System;using System.Net.Http;using System.Text;var body = new StringContent("""{ "jurisdiction": "US-DE", "registered_agent": { "provider": "matter" }}""", Encoding.UTF8, "application/json");var client = new HttpClient();var response = await client.PostAsync("https://api.mattermode.com/v1/entities/{id}/qualify", body);var responseBody = await response.Content.ReadAsStringAsync();curl --request POST 'https://api.mattermode.com/v1/entities/ent_Nq3KcAbc/qualify' \ --header 'Authorization: Bearer sk_test_4eC39HqLyjWDarjtT1zdp7dc' \ --header 'Matter-Version: 2026-06-10' \ --header 'Idempotency-Key: ee7c3a9b-3f1a-4d8e-9b2a-7c5e1f0a2d4b' \ --header 'Content-Type: application/json' \ --data '{ "jurisdiction": "US-DE", "registered_agent": { "provider": "matter" }}'const response = await fetch("https://api.mattermode.com/v1/entities/ent_Nq3KcAbc/qualify", { method: "POST", headers: { "Authorization": "Bearer sk_test_4eC39HqLyjWDarjtT1zdp7dc", "Matter-Version": "2026-06-10", "Idempotency-Key": "ee7c3a9b-3f1a-4d8e-9b2a-7c5e1f0a2d4b", "Content-Type": "application/json", }, body: JSON.stringify({ "jurisdiction": "US-DE", "registered_agent": { "provider": "matter" } }),});if (!response.ok) { throw new Error(`Matter API ${response.status}: ${await response.text()}`);}const data = await response.json();console.log(data);Response
application/json{
"qualification": {
"id": "string",
"object": "qualification",
"entity_id": "ent_Nq3KcAbc",
"jurisdiction": "US-DE",
"status": "qualifying",
"created": 1745539200,
"updated": 1745539200,
"livemode": false
},
"filing": {
"id": "string",
"object": "filing",
"entity_id": "ent_Nq3KcAbc",
"type": "certificate_of_amendment",
"jurisdiction": "US-DE",
"status": "preparing",
"created": 1745539200,
"updated": 1745539200,
"livemode": false
}
}{
"type": "https://mattermode.com/docs/errors/invalid_request",
"title": "Invalid request",
"status": 400,
"code": "invalid_request",
"detail": "Request body could not be parsed as JSON.",
"doc_url": "https://mattermode.com/docs/guides/errors#invalid_request",
"request_id": "req_Qw9xYz8A"
}{
"type": "https://mattermode.com/docs/errors/authentication_required",
"title": "Authentication required",
"status": 401,
"code": "authentication_required",
"detail": "No bearer token was supplied. Pass `Authorization: Bearer sk_live_...` on every request.",
"doc_url": "https://mattermode.com/docs/guides/errors#authentication_required",
"request_id": "req_Qw9xYz8A"
}{
"type": "https://mattermode.com/docs/errors/invalid_state_transition",
"title": "Invalid state transition",
"status": 409,
"code": "invalid_state_transition",
"detail": "Entity ent_Nq3KcAbc is in state `dissolved`; `dissolve` is not a valid transition.",
"doc_url": "https://mattermode.com/docs/guides/errors#invalid_state_transition",
"request_id": "req_Qw9xYz8A",
"current_state": "dissolved",
"attempted_transition": "dissolve",
"allowed_transitions": []
}{
"type": "https://mattermode.com/docs/errors/dissolution_prerequisites_missing",
"title": "Dissolution prerequisites missing",
"status": 409,
"code": "dissolution_prerequisites_missing",
"detail": "Voluntary dissolution requires `board_resolution_id` and `stockholder_consent_id`, or `auto_generate_resolutions: true`.",
"doc_url": "https://mattermode.com/docs/guides/errors#dissolution_prerequisites_missing",
"request_id": "req_Qw9xYz8A"
}{
"type": "https://mattermode.com/docs/errors/valuation_stale",
"title": "409A valuation stale",
"status": 409,
"code": "valuation_stale",
"detail": "Active 409A val_AbCd1234 is older than 12 months or superseded by a material event. Issuing ISOs at the prior strike risks IRC §409A violation. Refresh via POST /entities/{id}/valuations/{id}/refresh_request.",
"doc_url": "https://mattermode.com/docs/guides/errors#valuation_stale",
"request_id": "req_Qw9xYz8A"
}{
"type": "https://mattermode.com/docs/errors/rate_limit_exceeded",
"title": "Rate limit exceeded",
"status": 429,
"code": "rate_limit_exceeded",
"detail": "Request rate exceeded for this key. Retry after `retry_after` seconds or honor the `Retry-After` header.",
"doc_url": "https://mattermode.com/docs/guides/errors#rate_limit_exceeded",
"request_id": "req_Qw9xYz8A",
"retry_after": 30
}