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RelayStation Table Join
x402
RelayStation Table Join is a paid API for AI agents from api.relaystation.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Joins two in-memory tables by key using inner, left, right, or outer join semantics, priced per MB of input data
Price / call$0.01
Success—
StatusUnknown
How this service works
$0.0002/MB. Join two tables by key — inner, left, right, or outer. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny
Output
Returns the joined table as a collection of merged rows, containing columns from both input tables combined according to the specified join type (inner/left/right/outer) on the given key. Rows with no match are included or excluded depending on join type.
Example use cases
Enrich orders with customer info
“I have a list of orders and a list of customers — can you do an inner join on 'customer_id' so each order row includes the customer's name and email?”
Merge product catalog with inventory
“Join my product catalog table with my inventory table on 'product_id' using a left join so I keep all products even if there's no inventory record.”
Correlate logs with user profiles
“I have two datasets: one is raw event logs with a 'uid' field, the other is user profiles also keyed by 'uid'. Do a full outer join on 'uid' so I can see which events have no matching profile and vice versa.”
Technical details
Endpoint
POSThttps://api.relaystation.ai/v1/data/joinWhen to prefer
Choose this endpoint when you need to combine two structured datasets by a common key in a single API call without spinning up a database or writing SQL. Ideal for lightweight ETL pipelines, data enrichment, and ad-hoc record merging where the data fits in a single HTTP request and you want predictable per-MB pricing.
Side effects
- mismatched or missing join key field returns an error or empty result
- malformed input data (non-tabular, unparseable format) causes a 400-level error
- extremely large payloads may exceed per-call MB limits or increase cost
- unsupported join type string returns a validation error
- one or both tables empty returns an empty or single-sided result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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