# Ascend.io

**Canonical:** https://apis.io/providers/ascendio/  
**Website:** https://www.ascend.io  
**APIs profiled:** 1

Ascend.io is a data engineering platform for building declarative, DataAware data pipelines that unify ingestion, transformation, and orchestration across warehouses like BigQuery, Snowflake, Databricks, and MotherDuck. Pipelines are authored in SQL, Python, and YAML and operated through Otto, Ascend's agentic AI assistant. Its developer surface is the Ascend Instance web API (/api/v1, service-account Bearer auth) exposed through the ascend-tools CLI, first-party Python/JavaScript/Rust SDKs, and an official 25-tool MCP server. Ascend announced in 2026 that it is winding down operations; the open-source tooling and documentation remain published at capture time. Added to the API Evangelist network as an Accel portfolio company.

## Kin Score — 27.0 / 100 (emerging)

Scored 2026-08-17 under rubric 0.11.0. Trend: flat (+0.0 from 27.0).

| Facet | Score |
|---|---|
| Discoverability | 75.9 |
| Contract Quality | 0.0 |
| Governance | 3.1 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 78.3 |
| Commercial Clarity | 13.2 |

## Agent readiness — 27.9 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| MCP Server | yes |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | yes |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (1)

- **Ascend Instance API** — REST API (/api/v1) for managing Ascend workspaces, deployments, environments, projects, profiles, flows, flow runs, and Otto. Service-account Bearer authentication.

## MCP servers (1)

- **ascendio-mcp.yml**

## Security (2)

- **Ascendio Authentication** — http-bearer/service-account · 1 scheme
- **Ascendio Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Big Data, Data Engineering, Data Pipelines, ETL, Orchestration, Data Automation, MCP, Developer Tools

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/ascendio/). Scores are computed from the provider's own public artifacts under a published rubric.