# Latest **URL:** https://forum.api.combocurve.com/latest.md [Latest](https://forum.api.combocurve.com/latest.md) · [Categories](https://forum.api.combocurve.com/categories.md) · [Tags](https://forum.api.combocurve.com/tags.md) --- ## [Welcome to the ComboCurve API forum](https://forum.api.combocurve.com/t/welcome-to-the-combocurve-api-forum/7)
**Author:** [@system](https://forum.api.combocurve.com/u/system)\ **Replies:** 0\ **Last updated:** [April 16, 2021, 4:52pm UTC](https://forum.api.combocurve.com/t/welcome-to-the-combocurve-api-forum/7 "2021-04-16T16:52:22Z")
This is a community for users of the ComboCurve REST API to find guidance, request help and stay up to date. Please sign in to access all the content and functionality. --- ## [Type Curve 2.0](https://forum.api.combocurve.com/t/type-curve-2-0/477)
**Author:** [@Danny\_Cooney](https://forum.api.combocurve.com/u/Danny_Cooney)\ **Replies:** 0\ **Last updated:** [August 31, 2026, 9:50pm UTC](https://forum.api.combocurve.com/t/type-curve-2-0/477 "2026-08-31T21:50:41Z")
Hello, We’re preparing for the Type Curve 2.0 migration and want to share an important upcoming date and the actions your team may need to take. Target cutover date: November 7, 2026 Data migration will take place th… --- ## [Linear segment \`slope\` seems incorrect in \`get-forecast-outputs\`](https://forum.api.combocurve.com/t/linear-segment-slope-seems-incorrect-in-get-forecast-outputs/476)
**Author:** [@josh](https://forum.api.combocurve.com/u/josh)\ **Replies:** 4\ **Last updated:** [August 14, 2026, 6:49pm UTC](https://forum.api.combocurve.com/t/linear-segment-slope-seems-incorrect-in-get-forecast-outputs/476 "2026-08-14T18:49:37Z")
When I use the get-forecast-outputs endpoint with linear segments, I seem to be getting -1 or 1 for slope but I’d expect to receive the actual slope (matching the UI). It looks like the endpoint currently returns the sig… --- ## [V1 and v2 Exports via the API](https://forum.api.combocurve.com/t/v1-and-v2-exports-via-the-api/474)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 12\ **Last updated:** [July 17, 2026, 8:52pm UTC](https://forum.api.combocurve.com/t/v1-and-v2-exports-via-the-api/474 "2026-07-17T20:52:39Z")
In the past, we were able to pull Monthly Econ Results parquet export files for newly run Econ Runs, but for recent Econ Runs we are not seeing any files available through the v1 export endpoints. I am able to generate … --- ## [Custom Stream Value via API](https://forum.api.combocurve.com/t/custom-stream-value-via-api/475)
**Author:** [@michael.tanner](https://forum.api.combocurve.com/u/michael.tanner)\ **Replies:** 0\ **Last updated:** [June 16, 2026, 3:55pm UTC](https://forum.api.combocurve.com/t/custom-stream-value-via-api/475 "2026-06-16T15:55:41Z")
Posting here because my question via CC support ended up moving into API functionality after my UI question was answered. Basically, we were working on custom streams within stream properties to model NGL POP and having… --- ## [Getting model/assumption names tied to an econ run via API?](https://forum.api.combocurve.com/t/getting-model-assumption-names-tied-to-an-econ-run-via-api/473)
**Author:** [@Tracy\_Lenz](https://forum.api.combocurve.com/u/Tracy_Lenz)\ **Replies:** 4\ **Last updated:** [May 4, 2026, 8:49pm UTC](https://forum.api.combocurve.com/t/getting-model-assumption-names-tied-to-an-econ-run-via-api/473 "2026-05-04T20:49:59Z")
Hey all, Hoping someone’s figured this out — I’m trying to pull the assumption model names (pricing, expenses, stream properties, etc.) that were used in a specific econ run, and I’m running out of endpoints to try. Ba… --- ## [Getting started with pulling monthly forecast volumes](https://forum.api.combocurve.com/t/getting-started-with-pulling-monthly-forecast-volumes/471)
**Author:** [@asa](https://forum.api.combocurve.com/u/asa)\ **Replies:** 0\ **Last updated:** [March 24, 2026, 3:19pm UTC](https://forum.api.combocurve.com/t/getting-started-with-pulling-monthly-forecast-volumes/471 "2026-03-24T15:19:12Z")
I am trying to pull my monthly forecast volumes from a particular forecast and had a couple of questions: Does anyone have a script or function that turns the json format that gets returned into a nice dataframe format… --- ## [Extremely large decline rates are omitted from \`get-forecast-outputs\`](https://forum.api.combocurve.com/t/extremely-large-decline-rates-are-omitted-from-get-forecast-outputs/464)
**Author:** [@josh](https://forum.api.combocurve.com/u/josh)\ **Replies:** 3\ **Last updated:** [March 21, 2026, 2:19am UTC](https://forum.api.combocurve.com/t/extremely-large-decline-rates-are-omitted-from-get-forecast-outputs/464 "2026-03-21T02:19:24Z")
This isn’t necessarily a bug but it’s unexpected behavior that I thought I should describe it here in case anyone else runs into this. It’s possible to import decline/incline rates that are outside the range that’s vali… --- ## [Action required: Production Taxes API Refactor on March 28, 2026](https://forum.api.combocurve.com/t/action-required-production-taxes-api-refactor-on-march-28-2026/470)
**Author:** [@Angel\_Torres](https://forum.api.combocurve.com/u/Angel_Torres)\ **Replies:** 0\ **Last updated:** [March 20, 2026, 9:29pm UTC](https://forum.api.combocurve.com/t/action-required-production-taxes-api-refactor-on-march-28-2026/470 "2026-03-20T21:29:12Z")
Effective date: Saturday, March 28, 2026 We are releasing a breaking change to the Production Taxes econ model endpoints. If your integration reads or writes production taxes via the ComboCurve API, you will need to upd… --- ## [Patch Project Well Project Custom Columns](https://forum.api.combocurve.com/t/patch-project-well-project-custom-columns/465)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 1\ **Last updated:** [March 18, 2026, 10:41pm UTC](https://forum.api.combocurve.com/t/patch-project-well-project-custom-columns/465 "2026-03-18T22:41:51Z")
We are using the patch-project-wells endpoint to update project wells, and it appears that when the project custom header columns are omitted from the request they are being empties out when updating a project well. I w… --- ## [Project/Company wells](https://forum.api.combocurve.com/t/project-company-wells/463)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 1\ **Last updated:** [March 11, 2026, 7:23pm UTC](https://forum.api.combocurve.com/t/project-company-wells/463 "2026-03-11T19:23:13Z")
Is there a way with the API to add company wells to projects and possibly promote project wells to company wells? --- ## [Post econ one liners V2 - job is pending indefinitely](https://forum.api.combocurve.com/t/post-econ-one-liners-v2-job-is-pending-indefinitely/457)
**Author:** [@bethnew](https://forum.api.combocurve.com/u/bethnew)\ **Replies:** 4\ **Last updated:** [March 11, 2026, 5:39pm UTC](https://forum.api.combocurve.com/t/post-econ-one-liners-v2-job-is-pending-indefinitely/457 "2026-03-11T17:39:36Z")
I am attempting to use an econ-one-liners post request to export a One Liner table for a specific run id. I do not receive any errors when running my code, the job status just stays pending indefinitely. Here is my code: … --- ## [Feature Inquiry: Enabling Auto Forecasts via API](https://forum.api.combocurve.com/t/feature-inquiry-enabling-auto-forecasts-via-api/462)
**Author:** [@Jose.RodriguezZavala](https://forum.api.combocurve.com/u/Jose.RodriguezZavala)\ **Replies:** 1\ **Last updated:** [March 11, 2026, 3:43pm UTC](https://forum.api.combocurve.com/t/feature-inquiry-enabling-auto-forecasts-via-api/462 "2026-03-11T15:43:18Z")
Is there any update on whether users will be able to create and run new auto forecasts via the API? This capability would significantly enhance automation workflows, so I’m interested to know if it’s currently on the ro… --- ## [Project Lookup Tables](https://forum.api.combocurve.com/t/project-lookup-tables/426)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 3\ **Last updated:** [February 24, 2026, 5:54pm UTC](https://forum.api.combocurve.com/t/project-lookup-tables/426 "2026-02-24T17:54:16Z")
Is there an endpoint for pulling the Project lookup table information? Specifically, we were looking for the Type Curve lookup tables. --- ## [Id versus InptID](https://forum.api.combocurve.com/t/id-versus-inptid/461)
**Author:** [@polighosh](https://forum.api.combocurve.com/u/polighosh)\ **Replies:** 1\ **Last updated:** [February 11, 2026, 11:00pm UTC](https://forum.api.combocurve.com/t/id-versus-inptid/461 "2026-02-11T23:00:36Z")
Hi, in the well data by pulling through API, I see two different columns - Id and InptID. Can you please tell me which is the actual unique identifier of a well? Additionally, what is the difference between the two id fi… --- ## [C# GetDirectionalSurveys](https://forum.api.combocurve.com/t/c-getdirectionalsurveys/459)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 1\ **Last updated:** [February 2, 2026, 7:11pm UTC](https://forum.api.combocurve.com/t/c-getdirectionalsurveys/459 "2026-02-02T19:11:53Z")
I am trying to check if a Directional Survey exists for a given chosenId/datasource, but the GetDirectionalSurveys method does not have a datasource parameter. If I try to call it with a chosenId, I get the following er… --- ## [C# PostDirectionalSurveys](https://forum.api.combocurve.com/t/c-postdirectionalsurveys/460)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 0\ **Last updated:** [February 2, 2026, 4:23pm UTC](https://forum.api.combocurve.com/t/c-postdirectionalsurveys/460 "2026-02-02T16:23:48Z")
I am working with the C# combo curve library to add directional surveys. The PostDirectionalSurveys response does not include the Id field from the newly created Directional Survey. Would it be possible to return that … --- ## [Read-only API keys or other solutions](https://forum.api.combocurve.com/t/read-only-api-keys-or-other-solutions/458)
**Author:** [@josh](https://forum.api.combocurve.com/u/josh)\ **Replies:** 2\ **Last updated:** [January 28, 2026, 10:36pm UTC](https://forum.api.combocurve.com/t/read-only-api-keys-or-other-solutions/458 "2026-01-28T22:36:53Z")
I’m working with a team that would like to use the API for exporting forecast parameters but not allow writes back to ComboCurve. The team wants to avoid a situation where somebody could mistakenly call an endpoint and … --- ## [Get-econ-models bug?](https://forum.api.combocurve.com/t/get-econ-models-bug/453)
**Author:** [@TravSal](https://forum.api.combocurve.com/u/TravSal)\ **Replies:** 3\ **Last updated:** [January 15, 2026, 3:02pm UTC](https://forum.api.combocurve.com/t/get-econ-models-bug/453 "2026-01-15T15:02:07Z")
I’ve been working with the get-econ-models endpoint this afternoon and have encountered some weird behavior with how the endpoint handles cursor-based pagination. For this particular endpoint, the pagination appears to w… --- ## [GetAllForecastOutputsV2 Mapping Error](https://forum.api.combocurve.com/t/getallforecastoutputsv2-mapping-error/451)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 3\ **Last updated:** [January 13, 2026, 7:22pm UTC](https://forum.api.combocurve.com/t/getallforecastoutputsv2-mapping-error/451 "2026-01-13T19:22:27Z")
The GetAllForecastOutputsV2 in the C# library is failing to parse the JSON correctly on certain projects/forecasts, and it appears to be related to the swDate column containing a non-date value. Here is sample json from… --- ## [GetAllOneLinersV2 Mapping Error](https://forum.api.combocurve.com/t/getallonelinersv2-mapping-error/452)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 3\ **Last updated:** [January 13, 2026, 7:21pm UTC](https://forum.api.combocurve.com/t/getallonelinersv2-mapping-error/452 "2026-01-13T19:21:47Z")
The GetAllOneLinersV2 method in the c# library is throwing json mapping errors due to inf values on some of the double columns. Here is sample json output: --- ## [GetAllEconModelsV2 C# issue](https://forum.api.combocurve.com/t/getalleconmodelsv2-c-issue/448)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 3\ **Last updated:** [January 13, 2026, 12:13am UTC](https://forum.api.combocurve.com/t/getalleconmodelsv2-c-issue/448 "2026-01-13T00:13:20Z")
I am getting an error with the C# ComboCurve library calling the GetAllEconModelsV2 method. Here is the error that is getting returned. Error converting value “Operations” to type ‘System.Nullable\`1\[ComboCurve.Api.Mode… --- ## [Improving the API response of newly created econ models](https://forum.api.combocurve.com/t/improving-the-api-response-of-newly-created-econ-models/450)
**Author:** [@TravSal](https://forum.api.combocurve.com/u/TravSal)\ **Replies:** 1\ **Last updated:** [January 8, 2026, 2:17pm UTC](https://forum.api.combocurve.com/t/improving-the-api-response-of-newly-created-econ-models/450 "2026-01-08T14:17:37Z")
As part of our team’s workflow, we regularly need to update/create unique ownership and reversion models within a scenario and then immediately assign the models to the relevant wells. In the CC API, this currently boil… --- ## [POSTing multiple econ models in a single request](https://forum.api.combocurve.com/t/posting-multiple-econ-models-in-a-single-request/443)
**Author:** [@TravSal](https://forum.api.combocurve.com/u/TravSal)\ **Replies:** 2\ **Last updated:** [January 7, 2026, 9:07pm UTC](https://forum.api.combocurve.com/t/posting-multiple-econ-models-in-a-single-request/443 "2026-01-07T21:07:28Z")
Let’s say I need to create ten expense models that are all unique to a specific well. Currently, doing something like this: expense\_model\_list = \[model1, model2, ...\] endpoint = "HTTPS://create\_expense\_model\_endpoint" … --- ## [Put-wells Company vs Project](https://forum.api.combocurve.com/t/put-wells-company-vs-project/449)
**Author:** [@michael.tanner](https://forum.api.combocurve.com/u/michael.tanner)\ **Replies:** 2\ **Last updated:** [December 31, 2025, 3:10pm UTC](https://forum.api.combocurve.com/t/put-wells-company-vs-project/449 "2025-12-31T15:10:16Z")
Does PUT https://api.combocurve.com/v1/wells allow for scoping to specific projects? I would like to work on building out some more automations but am hesitant to scope all wells to company when they are mainly project w… --- ## [More filter options for \`get-project-wells\` and \`get-project-company-wells\`](https://forum.api.combocurve.com/t/more-filter-options-for-get-project-wells-and-get-project-company-wells/447)
**Author:** [@josh](https://forum.api.combocurve.com/u/josh)\ **Replies:** 12\ **Last updated:** [December 15, 2025, 8:01pm UTC](https://forum.api.combocurve.com/t/more-filter-options-for-get-project-wells-and-get-project-company-wells/447 "2025-12-15T20:01:34Z")
Sometimes we’d like to fetch a small subset of wells from a large project based on attributes like reserve category, custom strings, etc. Currently the get-project-company-wells and get-project-wells endpoints only allo… --- ## [Well name for scenario wells](https://forum.api.combocurve.com/t/well-name-for-scenario-wells/442)
**Author:** [@jassur](https://forum.api.combocurve.com/u/jassur)\ **Replies:** 1\ **Last updated:** [September 30, 2025, 9:07pm UTC](https://forum.api.combocurve.com/t/well-name-for-scenario-wells/442 "2025-09-30T21:07:40Z")
It looks like the one liner pull have well with scenario’s well\_id and not with project’s well\_id. Is there a way to map scenario well\_id back to project’s well\_id or to well’s name? --- ## [Forecast Parquet Monthly Exports](https://forum.api.combocurve.com/t/forecast-parquet-monthly-exports/434)
**Author:** [@mar\_jim](https://forum.api.combocurve.com/u/mar_jim)\ **Replies:** 7\ **Last updated:** [September 4, 2025, 11:10pm UTC](https://forum.api.combocurve.com/t/forecast-parquet-monthly-exports/434 "2025-09-04T23:10:16Z")
Hello, I’m trying to get the monthly forecast volumes through the new parquet endpoint but I’m getting the error message b’{“name”:“ExportError”,“message”:“Request data is required and must be an object”,“details”:{}}’ … --- ## [Project UpdatedAt](https://forum.api.combocurve.com/t/project-updatedat/438)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 1\ **Last updated:** [August 18, 2025, 10:27pm UTC](https://forum.api.combocurve.com/t/project-updatedat/438 "2025-08-18T22:27:09Z")
I am looking to limit data that I need to pull underneath a project. For datasets at the project level (i.e. TypeCurve, EconModel, etc.), would a child dataset have an updatedAt \> the project updatedAt? I’m hoping to l… --- ## [OneLiner Production Analytics columns](https://forum.api.combocurve.com/t/oneliner-production-analytics-columns/435)
**Author:** [@mlatimer85](https://forum.api.combocurve.com/u/mlatimer85)\ **Replies:** 2\ **Last updated:** [August 6, 2025, 12:56am UTC](https://forum.api.combocurve.com/t/oneliner-production-analytics-columns/435 "2025-08-06T00:56:56Z")
Are the production analytics columns available through the OneLiner api endpoint? [Next page](https://forum.api.combocurve.com/latest.md?page=1)