API · Exit · Entities
Create a court petition.
Create a CourtPetition for a court-supervised wind-down. Matter records the petition resource, its claims schedule, contingent reserves schedule, and proposed distribution plan; the physical filing with the court is dispatched off-platform by counsel, who records the courthouse docket reference back onto the resource via a follow-up PATCH /v1/court_petitions/{id} call.
Async by default — returns 202 Accepted with the petition in status: filed (or a status: draft preview when dry_run=true is passed — a simulation; no petition, exhibit document, or event is persisted). The terminal granted state is reached only when a CourtOrder is recorded against the petition via POST /v1/court_petitions/{id}/orders.
See pagination for the list envelope and errors for the RFC 7807 error envelope.
Last updated
Query Parameters
dry_runbooleanOptionalIf true, simulate the mutation and return the would-be resource, any cascaded
resources, and a fee estimate — without side effects. Available on every mutation.
Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
entity_idstringRequiredpetition_kindstringRequired"dgcl_280_dissolution""dgcl_278_post_dissolution"authorizing_resolution_idstringOptionalcourtobjectOptionalnamestringOptionaljurisdictionstringOptionalclaims_summaryarray<object>Requiredcreditor_namestringRequiredclaim_amount_centsintegerRequiredclaim_statusstringRequired"pending""disputed""acknowledged""paid"basisstringOptionalsubordinationstringOptionalcontingent_reserves_schedulearray<object>RequiredcategorystringRequired"litigation""regulatory""environmental""tax""other"estimated_reserve_centsintegerRequiredrationalestringRequiredsupporting_rationale_document_idstringOptionalproposed_distribution_planobjectRequiredto_known_creditors_centsintegerRequiredto_security_reserve_centsintegerRequiredresidual_to_stockholders_centsintegerRequiredorderingstringOptionalsummarystringOptionalaffidavit_document_idsarray<string>RequiredmetadataobjectOptionalFlat string-to-string map. Up to 50 keys. Keys: max 40 chars, charset
[A-Za-z0-9_\\-.]. Values: max 500 chars. Keys prefixed matter_ are reserved
for platform use. Metadata is retrievable but not filterable via query params.
Response Body
application/json
application/problem+json
application/problem+json
application/problem+json
Request
curl -X POST "https://api.mattermode.com/v1/court_petitions" \ -H "Content-Type: application/json" \ -d '{ "entity_id": "string", "petition_kind": "dgcl_280_dissolution", "claims_summary": [ { "creditor_name": "string", "claim_amount_cents": 0, "claim_status": "pending" } ], "contingent_reserves_schedule": [ { "category": "litigation", "estimated_reserve_cents": 0, "rationale": "string" } ], "proposed_distribution_plan": { "to_known_creditors_cents": 0, "to_security_reserve_cents": 0, "residual_to_stockholders_cents": 0 }, "affidavit_document_ids": [ "string" ] }'const body = JSON.stringify({ "entity_id": "string", "petition_kind": "dgcl_280_dissolution", "claims_summary": [ { "creditor_name": "string", "claim_amount_cents": 0, "claim_status": "pending" } ], "contingent_reserves_schedule": [ { "category": "litigation", "estimated_reserve_cents": 0, "rationale": "string" } ], "proposed_distribution_plan": { "to_known_creditors_cents": 0, "to_security_reserve_cents": 0, "residual_to_stockholders_cents": 0 }, "affidavit_document_ids": [ "string" ]})fetch("https://api.mattermode.com/v1/court_petitions", { method: "POST", headers: { "Content-Type": "application/json" }, body})package mainimport ( "fmt" "net/http" "io/ioutil" "strings")func main() { url := "https://api.mattermode.com/v1/court_petitions" body := strings.NewReader(`{ "entity_id": "string", "petition_kind": "dgcl_280_dissolution", "claims_summary": [ { "creditor_name": "string", "claim_amount_cents": 0, "claim_status": "pending" } ], "contingent_reserves_schedule": [ { "category": "litigation", "estimated_reserve_cents": 0, "rationale": "string" } ], "proposed_distribution_plan": { "to_known_creditors_cents": 0, "to_security_reserve_cents": 0, "residual_to_stockholders_cents": 0 }, "affidavit_document_ids": [ "string" ] }`) 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 = { "entity_id": "example", "petition_kind": "dgcl_280_dissolution", "claims_summary": [ { "creditor_name": "example", "claim_amount_cents": 1, "claim_status": "pending" } ], "contingent_reserves_schedule": [ { "category": "litigation", "estimated_reserve_cents": 1, "rationale": "example" } ], "proposed_distribution_plan": { "to_known_creditors_cents": 1, "to_security_reserve_cents": 1, "residual_to_stockholders_cents": 1 }, "affidavit_document_ids": [ "example" ]}resp = requests.post( "https://api.mattermode.com/v1/court_petitions", 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("""{ "entity_id": "string", "petition_kind": "dgcl_280_dissolution", "claims_summary": [ { "creditor_name": "string", "claim_amount_cents": 0, "claim_status": "pending" } ], "contingent_reserves_schedule": [ { "category": "litigation", "estimated_reserve_cents": 0, "rationale": "string" } ], "proposed_distribution_plan": { "to_known_creditors_cents": 0, "to_security_reserve_cents": 0, "residual_to_stockholders_cents": 0 }, "affidavit_document_ids": [ "string" ]}""");HttpClient client = HttpClient.newBuilder() .connectTimeout(Duration.ofSeconds(10)) .build();HttpRequest.Builder requestBuilder = HttpRequest.newBuilder() .uri(URI.create("https://api.mattermode.com/v1/court_petitions")) .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("""{ "entity_id": "string", "petition_kind": "dgcl_280_dissolution", "claims_summary": [ { "creditor_name": "string", "claim_amount_cents": 0, "claim_status": "pending" } ], "contingent_reserves_schedule": [ { "category": "litigation", "estimated_reserve_cents": 0, "rationale": "string" } ], "proposed_distribution_plan": { "to_known_creditors_cents": 0, "to_security_reserve_cents": 0, "residual_to_stockholders_cents": 0 }, "affidavit_document_ids": [ "string" ]}""", Encoding.UTF8, "application/json");var client = new HttpClient();var response = await client.PostAsync("https://api.mattermode.com/v1/court_petitions", body);var responseBody = await response.Content.ReadAsStringAsync();curl --request POST 'https://api.mattermode.com/v1/court_petitions' \ --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 '{ "entity_id": "example", "petition_kind": "dgcl_280_dissolution", "claims_summary": [ { "creditor_name": "example", "claim_amount_cents": 1, "claim_status": "pending" } ], "contingent_reserves_schedule": [ { "category": "litigation", "estimated_reserve_cents": 1, "rationale": "example" } ], "proposed_distribution_plan": { "to_known_creditors_cents": 1, "to_security_reserve_cents": 1, "residual_to_stockholders_cents": 1 }, "affidavit_document_ids": [ "example" ]}'const response = await fetch("https://api.mattermode.com/v1/court_petitions", { 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({ "entity_id": "example", "petition_kind": "dgcl_280_dissolution", "claims_summary": [ { "creditor_name": "example", "claim_amount_cents": 1, "claim_status": "pending" } ], "contingent_reserves_schedule": [ { "category": "litigation", "estimated_reserve_cents": 1, "rationale": "example" } ], "proposed_distribution_plan": { "to_known_creditors_cents": 1, "to_security_reserve_cents": 1, "residual_to_stockholders_cents": 1 }, "affidavit_document_ids": [ "example" ] }),});if (!response.ok) { throw new Error(`Matter API ${response.status}: ${await response.text()}`);}const data = await response.json();console.log(data);Response
application/json{
"object": "court_petition",
"id": "string",
"entity_id": "string",
"petition_kind": "dgcl_280_dissolution",
"status": "draft",
"claims_summary": [
{
"creditor_name": "string",
"claim_amount_cents": 0,
"claim_status": "pending",
"basis": "string",
"subordination": "string"
}
],
"contingent_reserves_schedule": [
{
"category": "litigation",
"estimated_reserve_cents": 0,
"rationale": "string",
"supporting_rationale_document_id": "string"
}
],
"proposed_distribution_plan": {
"to_known_creditors_cents": 0,
"to_security_reserve_cents": 0,
"residual_to_stockholders_cents": 0,
"ordering": "string",
"summary": "string"
},
"affidavit_document_ids": [
"string"
],
"authorizing_resolution_id": "string",
"court": {
"name": "string",
"jurisdiction": "string"
},
"chancery_docket_number": "string",
"court_docket_url": "http://example.com",
"filed_with_matter_at": 0,
"filed_with_court_at": 0,
"created": 0,
"updated": 0,
"livemode": true,
"metadata": {
"customer_id": "cus_7Hpx9WxY",
"portfolio_tag": "y-combinator-w26"
}
}{
"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/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/validation_failed",
"title": "Validation failed",
"status": 422,
"code": "validation_failed",
"detail": "One or more fields failed validation. See `errors[]`.",
"doc_url": "https://mattermode.com/docs/guides/errors#validation_failed",
"request_id": "req_Qw9xYz8A",
"errors": [
{
"field": "founders[0].equity",
"code": "out_of_range",
"message": "Equity must sum to 100% across all founders."
}
]
}No example available.